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From two normal distributed populations, samples are randomly selected. From the first, the sample size is 8 and its standard deviation is 22. From the

From two normal distributed populations, samples are randomly selected. From the first, the sample size is 8 and its standard deviation is 22. From the other population, the sample size is 6 and its standard deviation is 10. Required to test the claim at 95% confidence that the variance of the first is not equal to that of the second. What is the F_criticalvalue?

Answers:

5.29
3.97
4.88
6.85

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