F-distribution by critical value

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Reference no: EM1314557

The critical value of F at 95% confidence when there is a sample size of 21 for the sample with the smaller variance, and there is a sample size of 9 for the sample with the larger sample variance is:

A. 2.45

B. 2.94

C. 2.37

D. 2.10

Reference no: EM1314557

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