For numbers 1-6, Mike did a survey about the variety of plants owned by his neighbors, with the following results:
(4, 2, 7, 1, 6)

1. What is the range of the given data set?

A. 5
B. 7
C. 6
D. 4

2. What is the sample variance of the given data set?

A. 6.4
B. 6.5
C. 6.6
D. 6.7

3. What is the sample standard deviation of the given data set?

A. 2.55
B. 2.50
C. 2.45
D. 2.40

4. What is the average deviation of the given data set?

A. 8
B. 6
C. 4
D. 2

5. What is the population variance of the given data set?

A. 5.4
B. 4.5
C. 6.3
D. 5.2

6. What is the population standard deviation of the given data set?

A. 3.28
B. 2.29
C. 4.27
D. 1.26

7. If the range of a set of scores is 10 and the lowest score is 5, what is the highest score?

A. 25
B. 15
C. 10
D. 30

8. The process of finding the range of a given data set is?

A. maximum + minimum
B. maximum+minimum
C. minimum×maximum
D. maximum - minimum

9. Standard deviation is the square root of?

A. range
B. variance
C. average deviation
D. total frequency

10. It refers to the spread in a set of data.

A. variability
B. range
C. deviation
D. frequency ​