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.
For hypothesis test comparing two population means, the combined degrees of freedom are 24. Which of following statements about the two sample sizes could NOT be true? Suppose the population standard deviations are equal.
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