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Yield strengths of circular tubes with end caps are measured. The first yields (in KN) are as follows: 96,102, 104, 108, 126, 128, 150, 156

Yield strengths of circular tubes with end caps are measured. The first yields (in KN) are as follows: 96,102, 104, 108, 126, 128, 150, 156

a) Calculate the sample average.

b) Calculate the sample standard deviation

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