Population standard deviations are equal
For the hypothesis comparing two population means, determine the critical value for the one-tailed hypothesis test, using a 5% level of significance level, with both sample sizes equal to 13? Suppose the population standard deviations are equal.
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Using two independent samples, we test for a hypothesized difference between two population means. The population standard deviations are equal. The number in the first sample is fifteen and the number in the second sample is twelve.
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