A sample of 8 observations with a standard deviation of 2.50 has a sum of the squared deviations from the sample mean equal to 17.50.

Name: A sample of 8 observations with a standard deviation of 2.50 has a sum of the squared deviations from the sample mean equal to 17.50.
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Quizplus · Accepted Answer

The sum of squared deviations from the sample mean is calculated as the variance times (n-1). With a standard deviation of 2.50, the variance is 6.25, and for 8 observations, the sum should be 6.25 * 7 = 43.75, not 17.50.

A Sample of 8 Observations with a Standard Deviation of 2.50