Under what conditions is it appropriate to use the z-test as an approximation to the unequal-variances t-test
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Under what conditions is it appropriate to use the z-test as an approximation to the unequal-variances t-test when comparing two sample means?
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The null and alternative hypotheses are H 0 1 2 or 1 2 0 and H 1 1 2 or 1 2 0 Assuming 1 2 we use th...View the full answer
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Sinmon Warui Kamau
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