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Mathematics, 12.05.2021 01:10 brainguy124

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

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Exhibit 11-1 Last year, the standard deviation of the ages of the students at UA was 1.81 years. Rec...
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