Last year, the standard deviation of the ages at UTM was 1.8 years. Recently, a sample of 61 students had a standard deviation of 2.1 years. We are interested in testing to see if there has been a significant increase in the standard deviation of the ages of the students at UTM. Assume ages are Normally distributed. The p-value for this test is

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Last year, the standard deviation of the ages at UTM was 1.8 years. Recently, a sample of 61 students
had a standard deviation of 2.1 years. We are interested in testing to see if there has been a significant
increase in the standard deviation of the ages of the students at UTM. Assume ages are Normally
distributed.
The p-value for this test is
Transcribed Image Text:Last year, the standard deviation of the ages at UTM was 1.8 years. Recently, a sample of 61 students had a standard deviation of 2.1 years. We are interested in testing to see if there has been a significant increase in the standard deviation of the ages of the students at UTM. Assume ages are Normally distributed. The p-value for this test is
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