Question

Write the relation between standard deviation of a set of scores and it's variance

Answer 1

Answer:

The variance is the average of the squared differences from the mean. To figure out the variance, first calculate the difference between each point and the mean; then, square and average the results. ... Standard deviation is the square root of the variance so that the standard deviation would be about 3.03.

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Answer 2

Answer:

The variance is the average of the squared differences from the mean. To figure out the variance, first calculate the difference between each point and the mean; then, square and average the results. ... Standard deviation is the square root of the variance so that the standard deviation would be about 3.03.