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Stem Plot Exam Grades Sec 1

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Stem Plot Exam Grades Sec 2

n = 27

(n+1)/2 = 28/2=14

M = 78

n = 28

n/2 = 28/2 =14

n/2 + 1= 28/2 + 1=14 + 1 = 15

M = (77+78)/2 = 77.5