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