Question: compute the range and sample standard deviation for the strength of the concrete(in psi). 3990, 4070, 3200, 3100, 2930, 3840, 4070, 4030 The range is

compute the range and sample standard deviation for the strength of the concrete(in psi).

3990, 4070, 3200, 3100, 2930, 3840, 4070, 4030

The range is 1140

psi.=

psi(Round to one decimal place asneeded.)

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