The Basic Practice of Statistics
The Basic Practice of Statistics
8th Edition
ISBN: 9781319042578
Author: David S. Moore, William I. Notz, Michael A. Fligner
Publisher: W. H. Freeman
Question
Chapter 31, Problem 31.37CYS
To determine

To identify: The center line for the given chart.

Expert Solution & Answer
Check Mark

Explanation of Solution

Reason for the correct answer:

Here, the mean response distance is plotted on an x¯ control chart and the value of μ is 48. Hence, the center line for x¯ chart is 48 inches.

Reason for the incorrect answer:

The center line for x¯ chart is 48 inches. Hence, options (a) and (b) are incorrect.

Conclusion:

Therefore, the correct option is (b).

Statistics Concept Introduction

Introduction:

Center line for x¯ chart:

Formula for center line of x¯ chart is μ .

Correct answer:

Option (b), “48 inches”.

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