Answered: Under what conditions should you use the pooled-variance t test to examine possible differences in the means of two independent populations? | bartleby
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SOLVED: 10.1 If you have samples of n1 = 12 and n2 = 15, in performing the pooled-variance t-test, how many degrees of freedom do you have?10.2 – Use mean1; x̄1 = 40 and mean2; x̄2 = 30 Assume that you have a sample of n1 = 8, with the sample mean x̄1 = 42, and a sample standard deviation S1 = 4, and you have an independent sample of n2 = 1510.4 – Use mean1; x̄1 = 40 and mean2; x̄2 = 30 Referring to Problem 10.2, construct a 95% confidence interval estimate of the population mean differ
SOLVED: 10.1 If you have samples of n1 = 12 and n2 = 15, in performi…
Jan 10, 2022
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