Find the 95% confidence interval for the difference of the means in Exercise 8 of this section. _2.481 _ m1 _ m2 _ 7.971

Lecture 9: Estimating Proportions with Confidence 10.1: Overview of Confidence Intervals Confidence Intervals concept: Use sample data to estimate a population parameter Population (size N) = the whole group that we want to make conclusions on Parameter = summary about population Random sample of size n = a few units selected...