# Answer on Statistics and Probability Question for joe

Question #21858

Which is NOT a step in calculating the standard deviation?

Square each individual difference

Square each of the X values and compute the sum of all the Y values

Sum all of the squared deviations about the mean

Divide the sum by n - 1

Square each individual difference

Square each of the X values and compute the sum of all the Y values

Sum all of the squared deviations about the mean

Divide the sum by n - 1

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