Case Golf (statistics)

Table of contents

1. Introduction1

2. Problem Statement1

3. Hypothesis1

4. P-value1

5. Statistical summary2

6. 95% confidence interval 2

7. Conclusion3

Appendix 14

1. Introduction

This reputation is ab out(p) the case study of PAR, INC. From the following book: Statistics for cable an Economics, 8th edition by D.R. Anderson, D.J. Sweeney and Th.A. Williams, publisher: Dave Shaut. The case is set forth at page 416, chapter 10.

2. Problem statement

Par, Inc. has produced a clean vitrine of golf game game ball. The comp whatever wants to know if this new type of golf ball is comparable to the old ones. Therefore they did a test, which consists out of 40 trials with the current and 40 trials with the new golf balls. The examination was performed with a mechanical fitting machine so that any divergence between the mean distances for the two models could be attributed to a difference in the design. The outcomes ar given in the accede of appendix 1.

3. Hypothesis testing

The first thing to do is to spring up and present the rationale for a hypothesis test that Par, Inc. could lend oneself to compare the driving distance of the current and new golf balls. By formulation of these hypothesis there is assumed that the new and current golf balls show no significant difference to each other.



The hypothesis and alternative hypothesis are hypothesize as follow:

Question 1

H0 : µ1 - µ2 = 0 (they are the same)

Ha : µ1 - µ2 ? 0 (the are not the same)

4. P-value

Secondly; essay the data to provide the hypothesis testing conclusion. The p-value for the test is:

Question 2

Note: the statistical data is provide in § 5.

-one machine

-two populations

-no other influences mentioned

-independently chosen

Conclusion: Independent sample

Table quantity Normal Distribution (inside the cover of...

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