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This exercise shows that the signed-rank test can be used

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Problem 5E Chapter 6.9

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 5E

This exercise shows that the signed-rank test can be used with paired data. Two gauges that measure tire tread depth are being compared. Ten different locations on a tire are measured once by each gauge. The results, in mm, are presented in the following table.

Location

Gauge 1

Gauge 2

Difference

1

3.95

3.80

0.15

2

3.23

3.30

-0.07

3

3.60

3.59

0.01

4

3.48

3.61

-0.13

5

3.89

3.88

0.01

6

3.76

3.73

0.03

7

3.45

3.56

-0.11

8

3.01

3.02

-0.01

9

3.82

3.77

0.05

10

3.44

3.49

-0.05

Assume the differences are a sample from an approximately symmetric population with mean μ. Use the Wilcoxon signed-rank test to test H1: μ ≠ 0 versus

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Psychology 201- FALL 2016 INTRODUCTION TO SOCIAL PSYCHOLOGY Psychology Building, Room 31 Instructor: Randi Vogt Email: rlvogt2@illinois.edu Office: Psychology Building, Room 236 Section C: MWF 11-11:50am Office Hours: Tuesdays 2:30-3:30 (or by appointment)...

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Chapter 6.9, Problem 5E is Solved
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Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

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This exercise shows that the signed-rank test can be used

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