The following data shows the number of students enrolled in various professors' statistics classes.
Professor
Enrollment
A
256
B
167
C
159
D
164
E
170
F
156
For the above sample, compute the following measures.
a.
The variance
b.
The standard deviationc.
If we consider professor A's enrollment as an outlier, compute the variance and the standard deviations, excluding Professor A's class. (Round to two decimal places.)
What will be an ideal response?
| a. | 1461.47 |
| b. | 38.23 |
| c. | Variance =32.7; Standard deviation = -5.72 |
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