MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:A study of the surface roughness of coated interior pipe used in oil fields resulted in the data
below (measurements in micrometers). Conduct a nonparametric test to determine whether
the median surface roughness of coated interior pipe differs from 2 micrometers. Test with 95%
confidence.
1.72 2.50 2.16
2.57
2.64
1.26
2.13
2.05
1.06
1.19
2.24 2.31
2.13
1.27
2.03
1.51
1.09
2.41
1.40
1.95
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