Exhibit 11-1
Last year, the standard deviation of the ages of the students at UA was 1.81 years. Recently, a sample of 10 students had a standard deviation of 2.1 years. We are interested in testing to see if there has been a significant change in the standard deviation of the ages of the students at UA.
-Refer to Exhibit 11-1. The test statistic is
A) 14.2
B) 12.1
C) 3.28
D) 2.1
Correct Answer:
Verified
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Q57: Exhibit 11-2
We are interested in determining whether
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