In a sample of n = 3 scores, two scores are each below the mean by 2 points.The third score is above the mean by 4 points.

Name: In a sample of n = 3 scores, two scores are each below the mean by 2 points.The third score is above the mean by 4 points.
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Question

Quizplus · Accepted Answer

In a sample, the sum of deviations from the mean is always zero. If two scores are each 2 points below the mean, their total deviation is -4. The third score must be 4 points above the mean to balance this, making the total deviation zero.

In a Sample of N = 3 Scores, Two Scores