1. What assumptions about the two populations are necessary in Problem 10.2? 2. Referring to Problem 10.2, construct a 95% confidence interval estimate of the population mean difference between µ 1...


1. What assumptions about the two populations are necessary in Problem 10.2?


2. Referring to Problem 10.2, construct a 95% confidence interval estimate of the population mean difference between µ1
and µ2.


3. Referring to Problem 10.2, if n1
= 5 and n2
= 4, how many degrees of freedom do you have?


4. Referring to Problem 10.2, if n1
= 5 and n2
= 4, at the 0.01 level of significance, is there evidence that µ1
 µ2?



May 20, 2022
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