The marks (out of 70) obtained by eight students in a class test are: 62, 55, 61, 59,…

MATHEMATICS · Subjective · CBSE · Mathematics · Statistics · Statistics

Problem

The marks (out of 70) obtained by eight students in a class test are: 62, 55, 61, 59, 58, 63, 60, 64. Calculate the variance and the standard deviation of these marks.

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