For numbers 11 - 15 refer to the data below:
A researcher collects data on the ages of recipients of doctoral degree in science
and mathematics, and his study yields the following:
37 37 24 28 43 44 36 41 33 27
C.30
D. 40
C. 40
45
11. What is the range
A10
B. 20
12. What is the mean?
A. 30
B. 35
13. What is the average deviation
A. 5.6
B. 6.6
14. What is the variance?
A. 40.8
B. 42.8
15. What is the standard deviation?
A. 4.54
B. 5.54
C.76
D. 8.6
C. 44.8
D. 46.8.
C. 6.54
D. 8.54​