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Calculate the sample average

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Yield strengths of circular tubes with end caps are measured. The first yields (in order) are as follows: 84, 72, 88, 74, 90, 74, 76, 84, 84, 86, 88.

a. Calculate the sample average

b. Calculate the sample standard deviation

c. Based only on this information do you have a normally distributed process?

Reference no: EM13869878

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