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Compute the range and sample standard deviation for strength of the concrete(in psi). 3930 , 4130 , 3400 , 3200 , 2960, 3860, 4130, 4020

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

3930, 4130, 3400, 3200, 2960, 3860, 4130, 4020

The range is

1170 psi.

S= psi(Round to one decimal place asneeded.)

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