I don't understand the formulas and rationales for the attached. I also don't have the correct version of excel to use the tool pack I need so I am doing everything manually. I am doing the work on my own but want to make sure it is somewhat correct prior to turning in. Any help would be appreciated. Thank you.
The solution gives detailed step on conducting hypothesis testing for population means of either one sample or two independent samples. All formula and calculations are shown and explained.