14. combining scores again the first stat exam had a mean
of 80 and a standard deviation of 4 points; the second
had a mean of 70 and a standard deviation of 15 points.
reginald scored an 80 on the first test and an 85 on the
second. sara scored an 88 on the first but only a 65 on the
second. although reginald's total score is higher, sara
feels she should get the higher grade. explain her point
of view.