In order to determine the variability of the scores on the midterm exam, Professor Ainslie subtracted the mean from each score, squared each of these deviations, added them,divided the result by the total number of scores, and finally took the square root of that number. Professor Ainslie has calculated the:

Question

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Professor Ainslie has calculated the standard deviation using the formula of variance. The process involves finding the deviations of each score from the mean, squaring them, summing them up, dividing by the total number of scores, and then taking the square root of the result.

In Order to Determine the Variability of the Scores on the Midterm