In order to estimate the difference between the average miles per gallon of two different models of automobiles, samples are taken and the following information is collected. Model A Model B Sample...


In order to estimate the difference between the average miles per gallon of two different models of automobiles, samples are taken and the following information is collected.





























Model A




Model B


Sample Size

55



65


Sample Mean

28



26


Sample Variance

16



9















a.At 95% confidence, develop an interval estimate for the difference between the average miles per gallon for the two models.
b.Is there conclusive evidence to indicate that one model gets a higher miles per gallon than the other? If yes, explain how you know this and which model is higher. If no, explain how you know that there is not enough evidence.


Jun 10, 2022
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here