Explanation The mean of set values is the sum of the values divided by the number of values. The mean is often called the average. For example, Let a student has test scores 40, 20, 50, 60, 30. To find mean take the sum of values of test score. Sum of test scores is, 40 + 20 + 50 + 60 + 30 = 200 ; number of test = 5 ;

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Author: Jamie Blair, John Tobey Jr., Jeffrey Slater, Jenny Crawford

Publisher: PEARSON

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