Given the data below determine if there is significant difference between scale A and B. Report the value of the computed statistic in the hypothesis test (Six Sigma Study Guide 2002)
Part Scale A Scale B
1 256.93 256.84
2 208.78 208.82
3 245.66 245.61
4 214.67 214.75
5 249.59 249.69
6 226.65 226.57
7 176.57 176.49