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Statistics Review

Total questions: 89

Worksheet time: 3hrs 58mins

Name
Class
Date
1.

Is "the number of days in each month"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

2.

Is "Each student's favourite actor"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

3.

Is "The daily Temperature"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

4.

Is "The Type of car owned"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

5.

Is "The number of children in a family"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

6.

Is "The number of pets owned"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

7.

Is "The eye colour of students"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

8.

Is "The number of marbles in a bag"

Numerical (N) or categorical (C)

a)

Numerical (N)

b)

Categorical (C)

9.

Is "The masses of students in a class"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

10.

Is "The maximum temperature each day"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

11.

Is "The number of goals scored by players during a season"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

12.

Is "The Heights of the world's 10 tallest buildings"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

13.

Is "The amount of time spent using the internet each week"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

14.

Is "The number of planes landing at an airport each day"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

15.

Is "The heights of tress in the playground"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

16.

Is "The number of cars passing the school each hour"

Numerical Discrete (D) or Numerical Continous (C)

a)

Numerical Discrete (D)

b)

Numerical Continous (C)

17.

Is "people's hair colour"

a)

Categorical

b)

Numerical Continous

c)

Numerical Discrete

18.

Is "Number of points players scored in a netball match"

a)

Categorical

b)

Numerical Continous

c)

Numerical Discrete

19.

Is "The height of bridges"

a)

Categorical

b)

Numerical Continous

c)

Numerical Discrete

20.

Is "Countries where cares were manufactured"

a)

Categorical

b)

Numerical Continous

c)

Numerical Discrete

21.
Which interval shows the greatest number of pets?
a)
15-19
b)
0-4
c)
5-9
d)
10-14
22.
How many cities have temperatures between 70 degrees and 99 degrees?
a)
44
b)
34
c)
26
d)
62
23.
What is the highest score in the class?
a)
88%
b)
100%
c)
13
d)
98%
24.
How many students received a score of 94%? 
a)
94
b)
4
c)
1
d)
2
25.
How many total students are in the science class?
a)
13
b)
6
c)
27
d)
25
26.
What is the range of the test scores?
a)
15
b)
100
c)
6
d)
10
27.
What is the MODE of this data?
a)
90
b)
85, 90, and 95
c)
85 and 95
d)
None
28.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
29.
a)
1
b)
5
c)
7
d)
8
30.
a)
7
b)
6
c)
3
d)
1
31.
a)
1
b)
2
c)
5
d)
7
32.
a)
3
b)
6
c)
9
d)
12
33.
a)
3/4
b)
6/8
c)
9/8
d)
1 1/8
34.
a)
2
b)
4
c)
6
d)
7
35.
a)
7/6 = 1 1/6
b)
1
c)
1 2/3 
d)
1 1/2
36.
a)
1/8
b)
1/4
c)
3/4
d)
7/8
37.

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

a)

58

b)

59

c)

60

d)

118

38.
What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
7 & 14
d)
none of the above
39.
Find the mean of these numbers:
5,11,2,12,4,2
a)
4.1
b)
6
c)
4.5
d)
4
40.
Find the range of these numbers:
15,2,3,7,8,4,3,2,16,2,4
a)
2
b)
13
c)
14
d)
7
41.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
42.
How would you describe the mean?
a)
difference
b)
average
c)
middle
d)
most repeated number
43.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
44.

The table shows the average monthly temperature for St. Louis. The median for this data is (a)   .

45.

Abe found the mean and median of this list of numbers.

1, 3, 3

If the number 6 were added to the list, then

a)

the mean would increase

b)

the mean would decrease

c)

the median would increase

d)

the median would decrease

46.

A snack bar sells 5 items with a mean (average) price of $0.60, as shown below.

Chips - $0.50

Juice - $0.80

Apple - $0.60

Candy - $0.70

Gum - $0.40

Which pair of items could be added to the menu without changing the average price?

a)

Banana ($0.60) and Soda ($0.75)

b)

Banana ($0.60) and Cookie ($0.50)

c)

Energy Bar ($0.45) and Cookie ($0.50)

d)

Energy Bar ($0.45) and Soda ($0.75)

47.

Sandy keeps track of the number of visitors to her website for 6 days.

75 76 82 105 90 100

The number of visitors to her website on day 7 is  88. Which measure would change if Sandy adds 88 to the list?

a)

mean

b)

range

c)

median

48.

Edgar earned the following scores on his first 10 science tests.

73, 86, 91, 87, 88, 79, 82, 93, 90, 86

Which of these will be affected if Edgar earns a score of 50 on his next test?

a)

mean, median, and mode

b)

mean only

c)

mean and median

d)

median only

49.

A data set has 7 values.

4, 6, 10, 10, 12, 18, 24

The value 4 is removed from the data set. How is the mean affected?

a)

the mean increases

b)

the mean decreases

c)

the mean stays the same

50.

There are 5 children in Isabella’s family including Isabella. Their ages are listed below.

1, 4, 4, 11, 15

Which of the following measures will not change when the children are all 5 years older?

a)

mean

b)

median

c)

mode

d)

range

51.

While doing a project for P. E. class, Ling researched the number of athletes competing in an international sporting event.


How many countries have exactly 32 athletes?

a)

4

b)

3

c)

6

d)

1

52.

The employee at the department store counted the number of ties on each tie rack.


How many racks have at least 30 ties but fewer than 40 ties?

a)

4

b)

2

c)

7

d)

5

53.

A Technical Assistance Manager monitored his customers' wait times.


What is the shortest wait time?

a)

30 minutes

b)

48 minutes

c)

31 minutes

d)

71 minutes

54.

A machine dispensed red gumdrops into bags of various sizes.


How many bags had at least 15 red gumdrops?

a)

33

b)

23

c)

25

d)

27

55.

A veterinarian weighed all the dogs that visited his office last month.


How many dogs weighed exactly 22 pounds?

a)

2

b)

0

c)

1

d)

3

56.

The Oxford Soup Company recorded the number of rotten tomatoes in each barrel it received.


How many barrels had less than 100 rotten tomatoes?

a)

13

b)

15

c)

16

d)

17

57.

At a candy factory, butterscotch candies were packaged into bags of different sizes.


How many bags had exactly 66 butterscotch candies?

a)

3

b)

1

c)

4

d)

2

58.

Find the Median?

a)

95

b)

97.2

c)

96.8

d)

98

59.

What is the Mode?

a)

97.4

b)

97.2

c)

97

d)

96.8

60.

What is the range?

a)

97.2

b)

4

c)

3.3

d)

3.2

61.

What is the Maximum data item on this stem and leaf plot?

a)

56%

b)

88%

c)

94%

d)

8122348%

62.

What is the Mode of this data?

a)

96

b)

97

c)

68

d)

802

63.

What is the Minimum data item?

a)

0

b)

71

c)

5

d)

23

64.

How many data items are on the plot?

a)

16

b)

21

c)

22

d)

100

65.

What is the Maximum data item on this plot?

a)

49

b)

58

c)

1036

d)

35

66.

What is the Mode of this data?

a)

74

b)

56888

c)

68

d)

45

67.

What is the Minimum data item of this plot?

a)

0

b)

1

c)

72

d)

40

68.

How many data items are on this plot?

a)

9

b)

17

c)

26

d)

89

69.

What is the Maximum data item on this plot?

a)

10

b)

79

c)

100

d)

224569

70.

What is the Minimum data item on this plot?

a)

0

b)

51

c)

5

d)

12

71.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
72.
What type of graph is this?
a)
Bar Graph
b)
Pictograph
c)
Line Plot
d)
Tally Chart
73.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
74.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
75.
What is the title of the graph?
a)
Number of people
b)
Character
c)
Favorite Cartoon Characters
d)
Sponge Bob
76.
Which subject received the most votes?
a)
science
b)
reading
c)
social studies
d)
math
77.
How many votes did reading receive?
a)
2
b)
4
c)
6
d)
8
78.
How many votes did reading and social studies receive together?
a)
9
b)
11
c)
13
d)
15
79.
How many more Tulips than Rose flowers?
a)
2
b)
3
c)
6
d)
11
80.
How many daisy and rose flowers are there in all?
a)
17
b)
8
c)
9
81.
How many more Rose flowers are there than Lily?
a)
3
b)
4
c)
9
82.
What number does this tally mark show?
a)
100
b)
50
c)
500
d)
150
83.
Which kind of pet do exactly five people have? 
a)
snake
b)
cat
c)
dog
d)
fish
84.
Which Continent is home to 36% of the wild cats?
a)
Asia
b)
Africa
c)
North America
d)
South America
85.
Which Continent is home to 13% of wild cats?
a)
Asia
b)
Africa
c)
North America
d)
South America
86.
Which Continent has the smallest % of wild cats?
a)
Asia
b)
Europe
c)
North America
d)
South America
87.

Which pie chart represents the same data as the table?

a)
b)
c)
d)
88.
200 people were surveyed about their favourite ice cream. How many chose Kesar Pista? 
a)
30 people
b)
60 people
c)
38 people
d)
None of these
89.
The team scored 50 points. How many points did Kendrick score?
a)
12 points
b)
20 points
c)
10 points
d)
72 points

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