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4. The following data are taken of a hardness of a metal. Compute the mean reading, standard deviation, variance, and average of the absolute

4. The following data are taken of a hardness of a metal. Compute the mean reading, standard deviation, variance, and average of the absolute value of the deviation, using the biased basis: Reading H, GPa 1 8.5 10 2345678au 6.2 5.0 10.1 13.0 12.4 14.2 12.5 9.8 8.0 800.

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