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

## Problem 5E Chapter 6.9

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

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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 6.9 - Problem 5e

Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 6.9 - Problem 5e