answers

9. You are curious about how people feel about craft beer, so you gather data from 55 people in the city on whether or not they like it. You code your data so that O is neutral, positive scores indicate liking craft beer, and negative scores indicate disliking craft beer. You find that the average opinion was M = 1.10 and the spread was s = 0.40, and you test for a difference from 0 at the a = .05 level. . You want to know if college students have more stress in their daily lives than the general population (n = 12), so you gather data from 25 people to test your hypothesis. Your sample has an average stress score of M = 13.11 and a standard deviation of s = 3.89. Use a one-sample t test to see if there is a difference