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Title: When you are testing whether two population means of two normally distributed populations differ and ... Post by: doggerfresh on Feb 19, 2023 When you are testing whether two population means of two normally distributed populations differ and the population variances are both unknown but unequal, thet test statistics will usually have a non-integer number of degrees of freedomv. In this case, you should: ▸ round down to the previous integer. ▸ round up to the next integer. ▸ assume that the population variances are equal and usev=n1+n2– 2. ▸ change the sample sizes until the number of degrees of freedom is an integer. Title: Re: When you are testing whether two population means of two normally distributed populations differ and ... Post by: astroasis on Feb 19, 2023 Content hidden
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