Question: 3 A sample of 28 student scores on the chemistry midterm exam is shown. (a) At α = .10, does the population median differ from 50? Make a worksheet in Excel for your calculations. (b) Make a histogram of the data. Would you be justified in using a parametric t test that assumes normality? Explain.

Chemistry

74 60 7 97 62 2 100

5 99 78 93 32 43 64

87 37 70 54 60 62 17

26 45 84 24 66 7 48