Free Printable Statistics Test 1 Pre-Quiz

1.

How many total people were surveyed about what ice cream flavor they would pick?

a)

107

b)

92

c)

70

d)

269

2.

What is the difference between the shortest and the longest distance of the baseball thrown?

a)

10.05 feet

b)

8.5 feet

c)

8.2 feet

d)

8.0 feet

3.

How many cities have temperatures between 70 degrees and 99 degrees?

a)

44

b)

34

c)

26

d)

62

4.

What is the percentage of students that are between the ages 10 - 13 and eat breakfast?

a)

About 33%

b)

About 50%

c)

About 40%

d)

About 44%

5.

According to the histogram, how many people are 10 or younger?

a)

4

b)

6

c)

10

d)

11

6.

If Joe worked 30 hours, how much is he expected to earn?

a)

$600

b)

$200

c)

$1000

d)

$800

7.

What type of graph would we use to depict Continuous data?

a)

parabola

b)

bar graph

c)

circle graph

d)

histogram

8.

What is the mode of the following set of data:

100, 131, 189, 135, 131, 203, 160

a)

131

b)

135

c)

149.9

d)

136.7

9.

Determine the mean of the following set of data:

67, 61, 79, 89, 90, 55, 46

a)

67

b)

69.6

c)

89

d)

55.7

10.

What is the median of the following set of data?

25, 36, 79, 55, 100, 12, 66, 88

a)

60

b)

55

c)

60.5

d)

66

11.

The following set of data shows the results of a quiz in math class. Should the teacher use the mean or the median to give an accurate snapshot of how the class did?

88, 83, 92, 35, 85, 95

a)

mean

b)

median

12.

You received the following marks on your last three tests: 75%, 65% and 85%. You want to get your test average up to 80%. What would you have to get on your fourth test?

a)

80%

b)

95%

c)

105%

d)

85%

13.

What will be the frequency if the the class limit is 64-74?

a)

6

b)

12

c)

25

d)

14

14.

Observe given table and write its class size

a)

5

b)

-5

c)

20

d)

10

15.

Calculate the sum of frequencies using the given table

a)

56

b)

66

c)

65

d)

60

16.

Use the table and find the Mean of the given data

a)

35

b)

70

c)

350

d)

20

17.

What is the class mark of the class interval 30-40 is ___

a)

30

b)

40

c)

35

d)

-10

18.

What is class mark x_i

a)

Lower limit + upper limit

b)

(Upper limit - Lower limit)/2

c)

Upper limit - Lower limit

d)

2(Upper limit - Lower limit)

19.

Which of the following is the formula of mean (ungrouped data)?

a)

b)

c)

d)

20.

1,1,1,4,4,5,5,5,2,2,6,6. Based on the given data, what is the type of mode?

a)

No mode

b)

Unimodal

c)

Multimodal

d)

Bimodal

21.

What does this symbol represent?

a)

Median

b)

Mode

c)

Mean

d)

Variance

22.

What is the range of the following data?

45, 32, 41, 30, 43, 39

a)

6

b)

13

c)

15

23.

Quartile divides the data into____ equal parts.

a)

3

b)

4

c)

5

d)

10

24.

Find the class width for the grouped frequency distribution of the class intervals 1-20, 21-40, 41-60, .

a)

10

b)

15

c)

17

d)

20

25.

What is the class mark of the class interval 90-120?

a)

90

b)

105

c)

115

d)

120

26.

The mean of the data 2, 3, 4, 5, 0, 1, 3, 3, 4, 3 is

a)

2

b)

2.8

c)

2.4

d)

2.6

27.

The mode of the given data: 4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9 is;

a)

9

b)

7

c)

10

d)

6

28.

This sample is a grouped data

a)

True

b)

False

29.

What refers to the body techniques used to make conclusions on populations based on sample results?

a)

Hypothesis Testing

b)

Inferential Statistics

c)

Scientific Hypothesis

d)

Statistical Hypothesis

30.

Which measure of central tendency is MOST EASILY affected by outliers?

a)

mean

b)

mode

c)

median

d)

midrange

31.

What is the modal class of this distribution?

a)

20-29

b)

30-39

c)

40-49

d)

50-59

32.

What is the class width?

a)

8

b)

5

c)

1

d)

10

33.

Given the data below, what is the value of N? (total data values)

a)

30

b)

40

c)

50

d)

60

34.

Give the value of the median

a)

22.5

b)

27.5

c)

28.5

d)

32.5

35.

What is the value of grouped mean if

\sum_{ }^{ }\left(f\cdot x\right)=6807

and

n=80

rounded to two decimal places?

a)

85.00

b)

85.09

c)

85.10

d)

86.00

36.

For this grouped data, what is the mean?

a)

20

b)

25

c)

27

d)

30

37.

The table below shows the number of home runs in each of 25 baseball matches. What is the average number of home runs scored per match. Round to the nearest tenth.

a)

3.2

b)

2.2

c)

2.3

d)

3.4

e)

2.4

38.

Calculate Q - P.

a)

20

b)

25

c)

30

d)

35

39.

What does "n" represent?

a)

Total Frequency

b)

width

c)

midpoint

d)

mean

40.

FInd the Mean of the given data

a)

20.2

b)

20.7

c)

14.1

d)

13.99

41.

Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25

a)

3

b)

4

c)

5

d)

8

42.

The difference between the third and first quartiles in a data set, representing the middle half of the data.

a)

range

b)

interquartile range

c)

standard deviation

d)

mean absolute deviation

43.

a part of the population that we actually examine in order to gather information

a)

sample

b)

simple random sample

c)

convenience sample

d)

voluntary response sample

44.

The entire group of objects or individuals considered for a survey.

a)

biased sample

b)

population

c)

random sample

d)

sample

45.

What is the formula in solving for Q3?

a)

$L+\frac{\frac{3n}{4}-<CF}{f}x\ CI$

b)

$L+\frac{\frac{3n}{10}-<CF}{f}x\ CI$

c)

$L-\frac{\frac{3n}{4}-<CF}{f}x\ CI$

d)

$L+\frac{\frac{2n}{4}-<CF}{f}x\ CI$

46.

In the data:

12 21 12 14 10 17

21 22 16 16 19 21

13 15 18 12 13 10

What is the "n"?

a)

n = 12

b)

n = 22

c)

n = 18

d)

n = 6

47.

Calculate the position of the Upper Quartile using the Frequency Distribution Table.

a)

20.5

b)

21.5

c)

23.5

d)

22.5

48.

What is the highest score in the class?

a)

88%

b)

100%

c)

13

d)

98%

49.

For this grouped data, what is the mean?

a)

20

b)

25

c)

27

d)

30

50.

How to find the lower boundary?

a)

Lower Limit plus 0.5 or LL + 0.5.

b)

Lower Limit minus 0.5 or LL - 0.5.

c)

Lower Limit times 0.5 or LL x 0.5.

d)

Lower Limit divide 0.5 or LL/0.5.

Statistics Test 1 Pre-Quiz

Total questions: 50

Worksheet time: 41mins

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