5. A golf ball manufacturer has come up with a less expensive way to produce the company's golf balls. The manufacturer wants to make sure the balls manufactured with the new method travel the same distance as the balls manufactured the old way. A machine is used to drive both types of golf balls a number of times, and the results are summarized below. Distances are in yards. Std Error of Manufacturing Method Mean Drive Std Dev the Mean Old 50 258 25 3.536 New 50 246 40 5.657 (a) Find a 95% confidence interval for the mean difference in driving distances. (b) Does your confidence interval provide evidence that balls manufactured by the two methods have the same driving distance? Explain.
5. A golf ball manufacturer has come up with a less expensive way to produce the company's golf balls. The manufacturer wants to make sure the balls manufactured with the new method travel the same distance as the balls manufactured the old way. A machine is used to drive both types of golf balls a number of times, and the results are summarized below. Distances are in yards. Std Error of Manufacturing Method Mean Drive Std Dev the Mean Old 50 258 25 3.536 New 50 246 40 5.657 (a) Find a 95% confidence interval for the mean difference in driving distances. (b) Does your confidence interval provide evidence that balls manufactured by the two methods have the same driving distance? Explain.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
answer question 5 a and b. Thanks!
![5. A golf ball manufacturer has come up with a less expensive way to produce the company's golf balls. The
manufacturer wants to make sure the balls manufactured with the new method travel the same distance
as the balls manufactured the old way. A machine is used to drive both types of golf balls a number of
times, and the results are summarized below. Distances are in yards.
Std Error of
Manufacturing Method
Mean Drive
Std Dev
the Mean
Old
50
258
25
3.536
New
50
246
40
5.657
(a) Find a 95% confidence interval for the mean difference in driving distances.
(b) Does your confidence interval provide evidence that balls manufactured by the two methods have
the same driving distance? Explain.
GO ON TO THE NEXT PAGE
Page 17 718
9:11 PM
ENG
(ゆツ
3/14/2021](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9c8f60c8-0e6b-4dfd-8761-02961214ab97%2F59c34fdb-7d34-46de-a7ba-511081872a44%2F81xwffm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. A golf ball manufacturer has come up with a less expensive way to produce the company's golf balls. The
manufacturer wants to make sure the balls manufactured with the new method travel the same distance
as the balls manufactured the old way. A machine is used to drive both types of golf balls a number of
times, and the results are summarized below. Distances are in yards.
Std Error of
Manufacturing Method
Mean Drive
Std Dev
the Mean
Old
50
258
25
3.536
New
50
246
40
5.657
(a) Find a 95% confidence interval for the mean difference in driving distances.
(b) Does your confidence interval provide evidence that balls manufactured by the two methods have
the same driving distance? Explain.
GO ON TO THE NEXT PAGE
Page 17 718
9:11 PM
ENG
(ゆツ
3/14/2021
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