10.3 What assumptions about the two populations are necessary in Problem 10.2? 10.4 Referring to…

10.3 What assumptions about the two populations are necessary in Problem 10.2? 10.4 Referring to Problem 10.2, construct a 95% confidence interval estimate of the population mean difference between and 10.5 Referring to Problem 10.2, if and how many degrees of freedom do you have? 10.6 Referring to Problem 10.2, if and at the 0.01 level of significance, is there evidence tha