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A large department store wants to test whether the variance

Question: A large department store wants to test whether the variance of waiting time in two checkout counters is approximately equal. Two independent random samples of 25 waiting times in each of the counters gives s₁ = 2.5 minutes and s₂ = 3.1 minutes. Carry out the test of equality of variances, using α = 0.02.

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Basic Statistics: A large department store wants to test whether the variance

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