Question

Nick score on six scientist are listed below 87,93,82,91,93,85

As a bonus the science teacher was going to add three points each test how does the mean of the new test scores compare with the mean of the original test scores??

Answer 1

Mean of original test scores is 88.5

Mean of test scores , with three marks added to each score is 91.5

The mean of the test score with three marks added to each score is higher than the original mean of score is increased by three .

Explanation : hope it works out !!