Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 29 Mar 2018 My Price 6.00

signed-rank test

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 H0:μ = 0 versus H1 :μ ≠ 0.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 29 Mar 2018 02:03 PM My Price 6.00

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