Question

1. What is the range of the data?

45 93 60 72 15 45 81

3. What is the variance of the data set?

63 54 62 59 52
A. 11.6
B. 14.5
C. 18.8
D. 23.5

4. A data set has a variance of 88.
What is the standard deviation of the data set?
Round to the nearest tenth.

Answer 1

Answers:

1.) 78 would be the range

3.) 18.8 or letter C would be correct

4.) 9.4