A Random Sample of Size 15 Selected from Normal Population

question 55

Multiple Choice

A random sample of size 15 selected from normal population A has a standard deviation of 80.A second, independent, random sample of size 8 from normal population B has a standard deviation of 100.You will test a null hypothesis that the standard deviations of the two populations are equal, using a 2% significance level.Report the F statistic (F_stat) for the test.

• A)2.35
• B)1.56
• C).65
• D)1.25

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