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 2.13 2.57 2.64 1.26 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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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
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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