Calculate the standard deviation and variance

Reference no: EM131403670

A quality control supervisor has taken a sample of 16 bolts from the output of a thread-cutting machine and tested their tensile strengths. The results, in tons of force required for breakage, are as follows:

a. Determine the mean, median, range, and midrange.

b. Calculate the mean absolute deviation.

c. Calculate the standard deviation and variance.

Reference no: EM131403670

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