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When the Population Variances Are Unequal, We Estimate Each Population

Question 47

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When the population variances are unequal, we estimate each population variance with its sample variance. Hence, the unequal-variances test statistic of When the population variances are unequal, we estimate each population variance with its sample variance. Hence, the unequal-variances test statistic of is Student's t distributed with + - 2 degrees of freedom. is Student's t distributed with When the population variances are unequal, we estimate each population variance with its sample variance. Hence, the unequal-variances test statistic of is Student's t distributed with + - 2 degrees of freedom. + When the population variances are unequal, we estimate each population variance with its sample variance. Hence, the unequal-variances test statistic of is Student's t distributed with + - 2 degrees of freedom. - 2 degrees of freedom.

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