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Year 7 - Exam Revision - Statistics and Probability

Total questions: 204

Worksheet time: 17hrs 0mins

Name
Class
Date
1.

What is the probability for the spinner to land on orange?

a)

Impossible

b)

Unlikely

c)

Likely

d)

Certain

2.

Which color marble is unlikely to be pulled from the jar?

a)

Green

b)

Red

c)

Blue

3.

Is it likely, unlikely, certain or impossible to select a red marble from a box of 12 red marbles?

a)

Impossible

b)

Unlikely

c)

Likely

d)

Certain

4.

Is it unlikely, likely, equally likely, or impossible to roll 5 when you roll a die one time?

a)

Unlikely

b)

Likely

c)

Equally Likely

d)

Impossible

5.

Is it likely, unlikely, equally likely, or impossible to select a boy on a field trip from group of 35 students with 12 girls and 23 boys?

a)

Likely

b)

Unlikely

c)

Equally Likely

d)

Impossible

6.

Is it likely, unlikely, certain or impossible to select of red marble from a box of marbles that have 12 white marbles?

a)

Likely

b)

Unlikely

c)

Certain

d)

Impossible

7.

Are you likely or unlikely to do well on your math test if you practice and study before, give your best effort, and work out all your problems on your test?

a)

Likely

b)

Unlikely

8.

Celine spins the spinner one time. Which of the following best describes the chances that the spinner will land on red?

a)

Impossible

b)

Unlikely

c)

Likely

d)

Certain

9.

Leonard has a bag of 12 yellow marbles, 3 blue marbles, and 1 red marble. What is the probability that he will reach in and pull out a red marble?

a)

Impossible

b)

Unlikely

c)

Likely

d)

Certain

10.

Vins spins the spinner one time. Which of the following best describes the chances that the spinner will land on the number 9?

a)

Impossible

b)

Unlikely

c)

Even Chance

d)

Likely

11.

Evan's teacher put forty green pencils in a bag. Which of the following best describes the chance that Evan will pull out a green pencil?

a)

Impossible

b)

Unlikely

c)

Likely

d)

Certain

12.

If Aryanah spins this spinner, she will MOST likely land on ___

a)

Red

b)

Yellow

c)

Blue

d)

Orange

13.

Classify each of the following statement as either true or false.

It is likely that some people will use public transport next week.

a)

true

b)

false

14.

Classify each of the following statement as either true or false.

Getting a tail on a coin and rolling a 6 on a 6-sided die are equally likely.

a)

true

b)

false

15.

Classify each of the following statement as either true or false.

There is a 1 in 5 chance of randomly selecting the letter A from the word MARCH.

a)

true

b)

false

16.

Classify each of the following statement as either true or false.

It is an even chance for a 6-sided die to show a number less than 3.

a)

true

b)

false

17.

Consider a fair 6-sided die with the numbers 1 to 6 on it.

Rolling a 3 is unlikely.

a)

true

b)

false

18.

Consider a fair 6-sided die with the numbers 1 to 6 on it.

Rolling a 5 is likely.

a)

true

b)

false

19.

Consider a fair 6-sided die with the numbers 1 to 6 on it.

Rolling a 4 and rolling a 5 are equally likely events.

a)

true

b)

false

20.

Consider a fair 6-sided die with the numbers 1 to 6 on it.

Rolling an even number is likely.

a)

true

b)

false

21.

Consider a fair 6-sided die with the numbers 1 to 6 on it.

There is an even chance of rolling an odd number.

a)

true

b)

false

22.

Consider a fair 6-sided die with the numbers 1 to 6 on it.

There is an even chance of rolling a multiple of 3.

a)

true

b)

false

23.

Match up the event with an equally likely event.

Rolling a 2 on a 6-sided die

a)

Selecting a black card from a fair deck of

52 playing cards

b)

Rolling a number bigger than 4 on a 6-sided die

c)

Selecting a diamond card from a fair deck of

52 playing cards

d)

Rolling a 6 on a 6-sided die

24.

Match up the event with an equally likely event.

Selecting a heart card from a fair deck of

52 playing cards

a)

Selecting a black card from a fair deck of

52 playing cards

b)

Rolling a number bigger than 4 on a 6-sided die

c)

Selecting a diamond card from a fair deck of

52 playing cards

d)

Rolling a 6 on a 6-sided die

25.

Match up the event with an equally likely event.

Flipping a coin and tails landing face up

a)

Selecting a black card from a fair deck of

52 playing cards

b)

Rolling a number bigger than 4 on a 6-sided die

c)

Selecting a diamond card from a fair deck of

52 playing cards

d)

Rolling a 6 on a 6-sided die

26.

Match up the event with an equally likely event.

Rolling a 1 or a 5 on a 6-sided die

a)

Selecting a black card from a fair deck of

52 playing cards

b)

Rolling a number bigger than 4 on a 6-sided die

c)

Selecting a diamond card from a fair deck of

52 playing cards

d)

Rolling a 6 on a 6-sided die

27.

Consider the spinner shown, which is spun and could land with the arrow

pointing to any of the three colours. (If it lands on a boundary, it is re-spun

until it lands on a colour.)

There is an even chance that the spinner will point to green.

a)

true

b)

false

28.

Consider the spinner shown, which is spun and could land with the arrow

pointing to any of the three colours. (If it lands on a boundary, it is re-spun

until it lands on a colour.)

It is likely that the spinner will point to red.

a)

true

b)

false

29.

Consider the spinner shown, which is spun and could land with the arrow

pointing to any of the three colours. (If it lands on a boundary, it is re-spun

until it lands on a colour.)

It is certain that the spinner will point to purple.

a)

true

b)

false

30.

Consider the spinner shown, which is spun and could land with the arrow

pointing to any of the three colours. (If it lands on a boundary, it is re-spun

until it lands on a colour.)

It is equally likely that the spinner will point to red or blue.

a)

true

b)

false

31.

Consider the spinner shown, which is spun and could land with the arrow

pointing to any of the three colours. (If it lands on a boundary, it is re-spun

until it lands on a colour.)

Green is twice as likely to occur as blue.

a)

true

b)

false

32.
Each dot represents 1 day. How many days were recorded?
a)
9
b)
21
c)
20
d)
105
33.
How many trouts weighed MORE THAN 450 grams?
a)
8
b)
14
c)
11
d)
10
34.
What is the highest score in the class?
a)
88%
b)
100%
c)
13
d)
98%
35.
What is the range of the test scores?
a)
15
b)
100
c)
6
d)
10
36.
How many students received a score in the 90s?
a)
6
b)
2
c)
91%
d)
17
37.

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

a)

15

b)

10

c)

6

38.

What is the mean of the data? (0's still count as numbers)

a)

2.1333...

b)

32

c)

15

d)

2.46

39.

What is the median of the data?

a)

2

b)

1

c)

3

d)

12

40.

What is the mode of the data?

a)

2

b)

1

c)

4

d)

12

41.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

Use the graph to state how many people have flown

overseas once.

(a)  

42.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

How many people participated in the survey?

(a)  

43.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

What is the range of values?

(a)  

44.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

What is the median number of times flown overseas?

(a)  

45.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

What is the outlier?

(a)  

46.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

What is the mode?

(a)  

47.

In a Year 4 class, the results of a spelling quiz are

presented as a dot plot.

What is the most common score in the class?

(a)  

48.

In a Year 4 class, the results of a spelling quiz are

presented as a dot plot.

How many students participated in the quiz?

(a)  

49.

In a Year 4 class, the results of a spelling quiz are

presented as a dot plot.

What is the range of scores achieved?

(a)  

50.

In a Year 4 class, the results of a spelling quiz are

presented as a dot plot.

What is the median score?

(a)  

51.

In a Year 4 class, the results of a spelling quiz are

presented as a dot plot.

Identify the outlier.

(a)  

52.

From a choice of pink, blue, yellow, green or red, each student of Year 7B chose their favourite colour.

How many students chose yellow?

(a)  

53.

From a choice of pink, blue, yellow, green or red, each student of Year 7B chose their favourite colour.

How many students chose blue?

(a)  

54.

From a choice of pink, blue, yellow, green or red, each student of Year 7B chose their favourite colour.

What is the most popular colour?

(a)  

55.

From a choice of pink, blue, yellow, green or red, each student of Year 7B chose their favourite colour.

How many students participated in the class survey?

(a)  

56.

How tall was Joan on her 9th birthday?

(a)  

57.

How much did she grow between her 8th birthday and 9th birthday?

(a)  

58.

How much did Joan grow between her 8th and 12th birthdays?

(a)  

59.

How old was Joan when she had her biggest growth spurt?

(a)  

60.

Find Pr (red marble)...

a)
3/10
b)
3/9
c)
1/9
d)
1/3
61.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
62.

In a bag with 36 skittles, 12 are red, 9 are green, 3 are purple, 5 are orange, and 7 are yellow. What is the probability of picking a red skittle OR an orange skittle?

(a)  

63.

What is the probability of picking an orange marble OR a green marble?

a)

35\frac{3}{5}  

b)

56\frac{5}{6}  

c)

12\frac{1}{2}  

d)

14\frac{1}{4}  

64.

What is the probability of NOT picking an orange marble?

a)

34\frac{3}{4}  

b)

56\frac{5}{6}  

c)

23\frac{2}{3}  

d)

16\frac{1}{6}  

65.

On a six sided die, what is the probability of rolling a 3 OR a number greater than 4?

a)

12\frac{1}{2}  

b)

56\frac{5}{6}  

c)

23\frac{2}{3}  

d)

13\frac{1}{3}  

66.

What is the probability of spinning the spinner and landing on a number greater than 6 OR less than 7?

a)

28\frac{2}{8}  

b)

0

c)

1

d)

  68\frac{6}{8}  

67.
If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown
a)
8/26
b)
4/13
c)
8/25
d)
1/3
68.
What is the probability of spinning an even number? 
a)

1623%16\frac{2}{3}\%  

b)

3313%33\frac{1}{3}\%  

c)
50%
d)
75%
69.
What is the probability of spinning a number less than 5? 
a)

1623%16\frac{2}{3}\%  

b)

3313%33\frac{1}{3}\%  

c)

6623%66\frac{2}{3}\%  

d)

8313%83\frac{1}{3}\%  

70.

What is the probability of spinning a number less than 2 ?

a)

3/10

b)

3/5

c)

1/25

d)

1/5

71.

What is the probability of spinning a red or spinning a yellow?

a)

1/8

b)

1/16

c)

1/2

d)

1/3

72.

What is the probability of spinning a yellow, green, or blue?

a)

3/4

b)

1/12

c)

1/3

d)

1/16

73.
What is the probability of selecting an orange candy?
a)
0%
b)
25%
c)
50%
d)
100%
74.

The following M & M colors are in the bowl:

4 yellow, 6 orange, 3 green, 5 blue, 2 brown

What is the probability of selecting a brown candy?

a)

2/18

b)

1/9

c)

2/20

d)

1/10

75.
Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the probability he randomly chooses will be red?
a)
1/2
b)
1/5
c)
1/10
d)
5/8
76.

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

a)

1/3

b)

1/6

c)

1/2

d)

2/3

77.

How many outcomes are there?

(a)  

78.

List the sample space

(a)  

79.

Pr (8)=

a)

14\frac{1}{4}  

b)

45\frac{4}{5}  

c)

18\frac{1}{8}  

d)

78\frac{7}{8}  

80.

Pr (even)=

a)

12\frac{1}{2}  

b)

18\frac{1}{8}  

c)

78\frac{7}{8}  

d)

45\frac{4}{5}  

81.

Pr (3 or 6)=

a)

12\frac{1}{2}  

b)

14\frac{1}{4}  

c)

45\frac{4}{5}  

d)

18\frac{1}{8}  

82.

Pr(blue)=

a)

12\frac{1}{2}  

b)

911\frac{9}{11}  

c)

211\frac{2}{11}  

d)

13\frac{1}{3}  

83.

Pr(red)=

a)

12\frac{1}{2}  

b)

511\frac{5}{11}  

c)

611\frac{6}{11}  

d)

14\frac{1}{4}  

84.

Pr(purple or green)=

a)

12\frac{1}{2}  

b)

14\frac{1}{4}  

c)

611\frac{6}{11}  

d)

411\frac{4}{11}  

85.

The letters in the word MATHS are written on 5 cards and then one is drawn from a hat. List the sample space.

a)

M,A,T,H,S

b)

1,2,3,4,5

c)

5

d)

1

86.

The letters in the word MATHS are written on 5 cards and then one is drawn from a hat. Find Pr (T)

a)

0.2

b)

0.6

c)

0.8

d)

1

87.

The letters in the word MATHS are written on 5 cards and then one is drawn from a hat. Find Pr (consonant is chosen)

a)

0.2

b)

0.6

c)

0.8

d)

1

88.

The letters in the word MATHS are written on 5 cards and then one is drawn from a hat. Find the probability that the letter chosen is also in the word TAME.

a)

20%

b)

60%

c)

80%

d)

3

89.

The letters in the word PROBABILITY are written on 11 cards and then one is drawn from a hat. Find Pr (P)

a)

111\frac{1}{11}  

b)

211\frac{2}{11}  

c)

  411\frac{4}{11}  

d)

511\frac{5}{11}  

e)

911\frac{9}{11}  

90.

The letters in the word PROBABILITY are written on 11 cards and then one is drawn from a hat. Find Pr (P or L)

a)

111\frac{1}{11}  

b)

211\frac{2}{11}  

c)

  411\frac{4}{11}  

d)

511\frac{5}{11}  

e)

911\frac{9}{11}  

91.

The letters in the word PROBABILITY are written on 11 cards and then one is drawn from a hat. Find Pr (letter chosen is in the word BIT)

a)

111\frac{1}{11}  

b)

211\frac{2}{11}  

c)

  411\frac{4}{11}  

d)

511\frac{5}{11}  

e)

911\frac{9}{11}  

92.

The letters in the word PROBABILITY are written on 11 cards and then one is drawn from a hat. Find Pr (not a B)

a)

111\frac{1}{11}  

b)

211\frac{2}{11}  

c)

  411\frac{4}{11}  

d)

511\frac{5}{11}  

e)

911\frac{9}{11}  

93.

The letters in the word PROBABILITY are written on 11 cards and then one is drawn from a hat. Find Pr (vowel is chosen)

a)

111\frac{1}{11}  

b)

211\frac{2}{11}  

c)

  411\frac{4}{11}  

d)

511\frac{5}{11}  

e)

911\frac{9}{11}  

94.

What is the mean of this set of data?

2, 15, 7

a)

24

b)

3

c)

6

d)

8

95.
Find the median of these numbers:
2, 3, 4, 5, 5, 7
a)
4
b)
5
c)
4.5
d)
6
96.
A data set can have more than one median?
a)
True
b)
False
97.
A data set can have more than one mode
a)
True
b)
False
98.

To find the average or mean of a set of numbers, add up all the items and divide by...

a)

2

b)

The minimum

c)

The maximum

d)

The number of items

99.
What is the range?
a)
average
b)
biggest-smallest
c)
the middle #
d)
# happening the most
100.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
101.
Find the range.
5, 15, 10, 20, 15, 10, 15
a)
5
b)
10
c)
15
d)
13
102.

Calculate the MODE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

a)

7

b)

7.44

c)

8

d)

7 and 8

103.

What is the median of this set of score?
1, 2, 5, 6, 8, 8, 9, 12, 151,\ 2,\ 5,\ 6,\ 8,\ 8,\ 9,\ 12,\ 15  

a)

6

b)

8

c)

9

d)

none of these

104.
a)
1
b)
5
c)
7
d)
8
105.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
106.

What kind of candy is your favorite?

a)

Numerical

b)

Categorical

c)

Discrete

d)

Continuous

107.

How many goals have you scored this year?

a)

continuous

b)

discrete

108.

How many states have your visited?

a)

Categorical

b)

Numerical

109.

Students measure the height of a sunflower over 10 weeks.

a)

Categorical

b)

Numerical

c)

Continuous

d)

Discrete

110.

The amount of books on a bookshelf isa type of (a)   data.

111.

The amount of time is take runners to finish a race is a type of (a)   data.

112.

______ can only take certain values.

a)

continuous data

b)

discrete data

113.

Decide whether a primary source or a secondary source is suitable for collection of data on the following:

the average income of Australian households

a)

primary

b)

secondary

114.

Decide whether a primary source or a secondary source is suitable for collection of data on the following:

the favourite toilet paper for households in Australia

a)

primary

b)

secondary

115.

When an entire population is surveyed it is called a/an ____

a)

census

b)

sample

c)

observation

116.

When a subset of the population is surveyed it is called a/an ____

a)

census

b)

sample

c)

observation

117.

When we cannot choose the members to survey, and can only record those visible to us, eg. people posting their political views on a news website, it is called a/an ____

a)

census

b)

sample

c)

observation

118.
Each dot represents 1 day. How many days were recorded?
a)
9
b)
21
c)
20
d)
105
119.
What is the highest score in the class?
a)
88%
b)
100%
c)
13
d)
98%
120.
How many students received a score in the 90s?
a)
6
b)
2
c)
91%
d)
17
121.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

How many people participated in the survey?

(a)  

122.

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

What is the outlier?

(a)  

123.

From a choice of pink, blue, yellow, green or red, each student of Year 7B chose their favourite colour.

How many students chose yellow?

(a)  

124.

How tall was Joan on her 9th birthday?

(a)  

125.
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
126.
Find the median of these numbers:
4,2,7,4,3
a)
2
b)
5
c)
7
d)
4
127.
To find the _________ you add up all the numbers and then divide by how many numbers you have.
a)
Mean
b)
Median
c)
Mode
d)
Range
128.
To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.
a)
Mean
b)
Median
c)
Mode
d)
Range
129.
To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.
a)
Mean
b)
Median
c)
Mode
d)
Range
130.
Find the median.
12, 5, 9, 18, 22, 25, 5
a)
9
b)
8
c)
12
d)
18
131.
A data set can have more than one mode
a)
True
b)
False
132.
Find the Mean of:
8, 14, 32, 6, 15
a)
15
b)
175
c)
75
d)
12
133.
What is the median of:
6, 12, 16, 11, 8, 4, 1, 11, 4
a)
11
b)
6
c)
8
d)
7
134.

What is the mean of the data below?

1 , 5 , 10 , 11 , 20

a)

10

b)

9.4

c)

19

d)

9.1

135.

What is the median of the data below?

20 , 3 , 17 , 1 , 5

a)

5

b)

17

c)

19

d)

9.2

136.

What is the mode of the data below?

12 , 14 , 5 , 12 , 5 , 12 , 11

a)

5

b)

12

c)

5 and 12

d)

11.8

137.

What is the median of this data set?

3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

a)

11

b)

12

c)

13

d)

17

138.
What is the mean of these numbers?
4,5,5,2,3,3,2,8
a)
40
b)
24
c)
4
d)
256
139.
Find the mean:
28, 18, 19, 18, 17
a)
20
b)
18
c)
11
d)
19
140.
What is the mean for these numbers?
5,5,5,5
a)
5
b)
20
c)
15
d)
100
141.

Calculate the mean.

2, 9, 10, 6, 8

a)

8

b)

4

c)

7

d)

22

142.
Find the median:
3, 5, 7, 4, 3, 1
a)
3 and 4
b)
There isn't one
c)
3.5
d)
3
143.
On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________
a)
91
b)
273
144.
To find the average of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
145.
What is the definition of the mean?
a)
The average
b)
The middle number
c)
The difference between the highest and lowest numbers
d)
The number that occurs the most
146.
Mary read six books in January, four books in February, and eight books in March.What was the average number of books read each month? __________
a)
18
b)
6
c)
14
147.
When finding the median, what do you do if there are two middle numbers?
a)
Add them together and divide by 2
b)
Write them both as the answer
c)
Give up
d)
Pick one
148.
The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost
a)
$330
b)
$390
c)
$372.50
d)
$375
149.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
150.
The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?
a)
99 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 50
d)
A score of 91 was slightly below average.
151.
What is the range?
8, 10, 60, 3, 5, 13, 12, 40, 8
a)
55
b)
8
c)
57
d)
17.7
152.

What is the range?

a)

The sum of the largest and smallest number

b)

The number in the middle

c)

The difference between the largest and smallest number

d)

The number that appears most often

153.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
154.
Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?
a)
12
b)
72
c)
48
d)
98
155.

Consider the ages (in years) of seven people who are surveyed in a shop:

15, 31, 12, 47, 21, 65, 12

If another person is surveyed who is 29 years old, what will be the new median?

(a)  

156.

Consider the test scores of 5 people: 25, 19, 32, 25, 29.

If a sixth person were included with a test score of 31, find the new median.

(a)  

157.

The median for the data set 5, 7, 7, 10, 12, 13, 17 is 10. What would be the new median if 9 is added to the data set.

(a)  

158.

The median for the data set 5, 7, 7, 10, 12, 13, 17 is 10. What would be the new median if 12 is added to the data set.

(a)  

159.

The median for the data set 5, 7, 7, 10, 12, 13, 17 is 10. What would be the new median if 20 is added to the data set.

(a)  

160.

The median for the data set 5, 7, 7, 10, 12, 13, 17 is 10. What would be the new median if 2 is added to the data set.

(a)  

161.

Consider the ages (in years) of nine people who are surveyed at a train station:

18, 37, 61, 24, 7, 74, 51, 28, 24.

If another person is surveyed who is 42 years old, what will be the new median?

(a)  

162.

Classify the following as categorical or numerical:

the eye colour of each student in your class

a)

categorical

b)

numerical

163.

Classify the following as categorical or numerical:

the date of the month each student was born, e.g. the 9th of a month

a)

categorical

b)

numerical

164.

Classify the following as categorical or numerical:

the weight of each student when they were born

a)

categorical

b)

numerical

165.

Classify the following as categorical or numerical:

the brands of airplanes landing at Melbourne’s international airport

a)

categorical

b)

numerical

166.

Classify the following as categorical or numerical:

the temperature of each classroom

a)

categorical

b)

numerical

167.

Classify the following as categorical or numerical:

the number of students in each classroom period one on Tuesday

a)

categorical

b)

numerical

168.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the number of cars per household

a)

categorical

b)

continuous numerical

c)

discrete numerical

169.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the weights of packages sent by Australia Post on 20 December

a)

categorical

b)

continuous numerical

c)

discrete numerical

170.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the highest temperature of the ocean each day

a)

categorical

b)

continuous numerical

c)

discrete numerical

171.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the favourite brand of chocolate of the teachers at your school

a)

categorical

b)

continuous numerical

c)

discrete numerical

172.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the colours of the cars in the school car park

a)

categorical

b)

continuous numerical

c)

discrete numerical

173.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the brands of cars in the school car park

a)

categorical

b)

continuous numerical

c)

discrete numerical

174.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the number of letters in different words on a page

a)

categorical

b)

continuous numerical

c)

discrete numerical

175.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the number of advertisements in a time period over each of the free-to-air channels

a)

categorical

b)

continuous numerical

c)

discrete numerical

176.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the length of time spent doing this exercise

a)

categorical

b)

continuous numerical

c)

discrete numerical

177.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the arrival times of planes at JFK airport

a)

categorical

b)

continuous numerical

c)

discrete numerical

178.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the daily pollutions level in the Burnley Tunnel on the City Link Freeway

a)

categorical

b)

continuous numerical

c)

discrete numerical

179.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the number of text messages sent by an individual yesterday

a)

categorical

b)

continuous numerical

c)

discrete numerical

180.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the times for the 100 m freestyle event at the world championships over the last 10 years

a)

categorical

b)

continuous numerical

c)

discrete numerical

181.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the number of Blu-ray discs someone owns

a)

categorical

b)

continuous numerical

c)

discrete numerical

182.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the brands of cereals available at the supermarket

a)

categorical

b)

continuous numerical

c)

discrete numerical

183.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

marks awarded on a maths test

a)

categorical

b)

continuous numerical

c)

discrete numerical

184.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the star rating on a hotel or motel

a)

categorical

b)

continuous numerical

c)

discrete numerical

185.

Classify the following variables as categorical, continuous numerical or discrete numerical data:

the censorship rating on a movie showing at the cinema

a)

categorical

b)

continuous numerical

c)

discrete numerical

186.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the arrival times of trains at Southern Cross Station during a day

a)

observation

b)

sample

c)

census

187.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the arrival times of trains at Southern Cross Station over the year

a)

observation

b)

sample

c)

census

188.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the heights of students in your class

a)

observation

b)

sample

c)

census

189.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the heights of all Year 7 students in the school

a)

observation

b)

sample

c)

census

190.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the heights of all Year 7 students in Victoria

a)

observation

b)

sample

c)

census

191.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the number of plastic water bottles sold in a year

a)

observation

b)

sample

c)

census

192.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the religions of Australian families

a)

observation

b)

sample

c)

census

193.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the number of people living in each household in your class

a)

observation

b)

sample

c)

census

194.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the number of people living in each household in your school

a)

observation

b)

sample

c)

census

195.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the number of people living in each household in Australia

a)

observation

b)

sample

c)

census

196.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the number of native Australian birds found in a suburb

a)

observation

b)

sample

c)

census

197.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the number of cars travelling past a school between 8 a.m. and 9 a.m. on a school day

a)

observation

b)

sample

c)

census

198.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the money spent at the canteen by students during a week

a)

observation

b)

sample

c)

census

199.

Is observation or a sample or a census the most appropriate way to collect data on each of the following?

the ratings of TV shows

a)

observation

b)

sample

c)

census

200.

Identify whether a primary or secondary source is

suitable for the collection of data on the following.

the number of soft drinks bought by the average

Australian family in a week

a)

primary

b)

secondary

201.

Identify whether a primary or secondary source is

suitable for the collection of data on the following.

the age of school leavers in far North Queensland

a)

primary

b)

secondary

202.

Identify whether a primary or secondary source is

suitable for the collection of data on the following.

the number of soft drinks consumed by school age

students in a day

a)

primary

b)

secondary

203.

Identify whether a primary or secondary source is

suitable for the collection of data on the following.

the highest level of education by the adults in a

household

a)

primary

b)

secondary

204.

Identify whether a primary or secondary source is

suitable for the collection of data on the following.

the reading level of students in Year 7 in Australia

a)

primary

b)

secondary

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Unit 3 Review

205 questions

Unit 3 Review

quiz

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6th - 8th Grade