Asked by Mariannr

how can you use the distances between each data value and the mean of the data set to measure the spread of a data set?

Answers

Answered by PsyDAG
Find the mean first = sum of scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

Standard deviation = square root of variance
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