Question: Given the sample information below, what test statistic should be used to determine whether the standard deviations are equal for two populations, prior to performing

Given the sample information below, what test statistic should be used to determine whether the standard deviations are equal for two populations, prior to performing a hypothesis test for the equality of the population means?

Sample 1 30 45 3 Sample 2 20 32 1.9

a. F = 2.49, with numerator degrees of freedom = 29 and denominator degrees of freedom = 19
b. F = 0.40, with degrees of freedom = 19

Sample 1 30 45 3 Sample 2 20 32 1.9

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