Calculate the variance of the of the test scores


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Q: A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of examinations are selected at random and scored. The results are shown below.

Grade

93

65

80

97

85

87

97

60

For the above data, determine Calculate the arithmetic average of the test scores

Calculate the Variance of the of the test scores

Calculate the standard Deviation of the of the test scores

Calculate the Coefficient of Variation of the of the test scores

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Basic Statistics: Calculate the variance of the of the test scores
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