In testing the difference between the means of two normally distributed populations, if μ1 = μ2...

In testing the difference between the means of two normally distributed populations, if μ₁ = μ₂ = 50, n₁ = 9, and n₂ = 13, the degrees of freedom for the t statistic equals ___________.

19,20,21,22

When comparing two independent population means by using samples selected from two independent, normally distributed populations with equal variances, the correct test statistic to use is ______.

z,F,t, t^2

When testing a hypothesis about the mean of a population of paired differences in which two different observations are taken on the same units, the correct test statistic to use is _________.

z, None of the other choices is correct, t, F, chi-square

In testing the difference between the means of two normally distributed populations using independent random samples, the correct test statistic to use is the

F statistic, chi-square statistic, None of the other choices is correct, t statistic, z statistic.

In general, the shape of the F distribution is _________.

skewed right, skewed left, binomial, normal

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milcah answered 8 months ago

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