QUESTIONS 19 THROUGH 32 RELATE TO QUANTITATIVE METHODS
21. The following 10 observations are a sample drawn from an approximately normal population:
Observation
1
2
3
4
5
6
7
8
9
10
Value
–3
–11
3
–18
18
20
–6
9
2
–16
The sample standard deviation is closest to:
A. 11.92.
B.
12.50.
C.
13.18.