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Compute the range and sample standard deviation for strength of the concrete (in psi). 3920, 4090, 3500, 3200, 2960, 3820, 4090, 4020 D. The

Compute the range and sample standard deviation for strength of the concrete (in psi). 3920, 4090, 3500, 3200, 2960, 3820, 4090, 4020 D. The range is psi. psi (Round to one decimal place as needed.)

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