Calculate the sample variance

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In a sample of five exams from an economics class, the number of points deducted as follows; 25,18,23,20,21 Calculate the sample variance.

Reference no: EM131533441

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Calculate the sample variance : In a sample of five exams from an economics class, the number of points deducted as follows; 25,18,23,20,21 Calculate the sample variance.
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