Answered: The U.S. Golf Association provides a…

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

The U.S. Golf Association provides a number of services for its members. One of these is the evaluation of golf equipment to make sure that the equipment satisfies the rules of golf. For example, they regularly test the golf balls made by the various companies that sell balls in Canada. Recently, they undertook a study of two brands of golf balls with the objective to see whether there is a difference in the variance that the two golf ball brands will fly off the tee. To conduct the test, the U.S.G.A. uses a robot named "Iron Byron," which swings the club at the same speed and with the same swing pattern each time it is used. The following data reflect sample data for a random sample of balls of each brand. Is there a difference in the variances of the two balls. Use α=5% Use α=5%

Decision Criteria?

Calculated Value?

What is the conclusion ? do we reject or do not reject?

Is thereinsufficent evidence or no?

											Mean	Std Dev
Brand A:	234	236	230	227	234	233	228	229	230	238	231.9	3.63
Brand B:	240	236	241	236	239	243	230	239	243	240	238.7	3.89

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