# Answer to Question #31026 in Statistics and Probability for Aaron Okievs.

Question #31026

The grade of student on six examinations were 84, 91, 72, 68, 87, and 78. What is the arithmetic mean of the grades?

a. 88

b. 60

c. 70

d. 80

a. 88

b. 60

c. 70

d. 80

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