Quiz about Statistics Review

Question 1

What is the median of the following data set?

25, 42, 36, 12, 19

Accepted Answer

25

Answer

36

Answer

39

Answer

26.5

Question 2

What is the mean of the following set of data?

2, 6, 10, 31, 14, 8

Accepted Answer

11.8

Answer

71

Answer

12

Answer

14.2

Question 3

What is the interquartile range of test scores for 1st Period?

Accepted Answer

15

Answer

70-95

Answer

75-90

Answer

10

Question 4

At a football game, a researcher

randomly asks 100 people to name

their favorite sport. Is this a biased

sample?

Accepted Answer

Yes

Answer

No

Question 5

What is the MAD of the following set of data? Round your answer to the nearest tenth.

2, 4, 18, 10, 7, 13

Accepted Answer

4.7

Answer

5

Answer

4

Answer

9

Question 6

Roger has the following data:

12, 10, 3, 5, 6

Susan has the following data:

5, 9, 4, 5, 6

Who has the data with the highest median and what is it?

Accepted Answer

Roger - 6

Answer

Susan - 7

Answer

Roger - 8

Answer

Susan - 5.5

Question 7

What is the interquartile range of 2nd Periods test scores?

Accepted Answer

12

Answer

9

Answer

15

Answer

80

Question 8

Is there an outlier in the follow set of data?

24, 36, 19, 28, 65, 32

Accepted Answer

Yes, 65

Answer

Yes, 19

Answer

No

Question 9

What is the range of the follow set of data:

60, 85, 29, 32, 45, 17, 55

Accepted Answer

68

Answer

67

Answer

43

Answer

56

Question 10

How do you find the range of a set of data?

Accepted Answer

The highest value minus the lowest value

Answer

Find the middle number

Answer

The number that appears the most

Answer

Add all the numbers up and divide them by the total amount of numbers

Question 11

Identify the POPULATION in the following question: What are the ages of the students at Clarke Middle School?

Accepted Answer

Students

Answer

Age

Answer

Clarke Middle School

Question 12

What is the median of the following data set:
1, 3, 4, 4, 5, 6, 7

Accepted Answer

4

Answer

1

Answer

5

Answer

7

Question 13

What is the mean of the following data set:
1, 1, 3, 5, 5

Accepted Answer

3

Answer

1

Answer

5

Answer

15

Question 14

What is the range of the following data set:
1, 1, 3, 5, 5

Accepted Answer

4

Answer

1

Answer

3

Answer

5

Question 15

Based on the line plot, how many students ate 5 candy bars?

Accepted Answer

4

Answer

3

Answer

8

Answer

0

Question 16

Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8

Accepted Answer

1.2

Answer

9

Answer

6

Answer

5

Question 17

Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  The Mean is 8

Accepted Answer

2

Answer

3

Answer

5

Answer

1

Question 18

What is another word for average?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 19

Find the Mean Absolute Deviation:
5, 11, 2, 7, 16.

Accepted Answer

4.2

Answer

3.2

Answer

2.8

Answer

1.2

Question 20

Find the MAD:
2,4,6,8,10,12

Accepted Answer

3

Answer

5

Answer

7

Answer

1

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