A dieter believes that the average number of calories in a homemade peanut butter cookie is more than in a store-bought peanut butter cookie. Estimate the difference in the mean calories between the two types of cookies using a 90% confidence interval. The data are = 40, = 180, = 2, = 45, = 179, and = 4, respectively.

Question

A dieter believes that the average number of calories in a homemade peanut butter cookie is more than in a store-bought peanut butter cookie. Estimate the difference in the mean calories between the two types of cookies using a 90% confidence interval. The data are  = 40,  = 180,  = 2,  = 45,  = 179, and  = 4, respectively.

Quizplus · Accepted Answer

The Answer of A dieter believes that the average number of calories in a homemade peanut butter cookie is more than in a store-bought peanut butter cookie. Estimate the difference in the mean calories between the two types of cookies using a 90% confidence interval. The data are  = 40,  = 180,  = 2,  = 45,  = 179, and  = 4, respectively.

A Dieter Believes That the Average Number of Calories in a Homemade