# Answer on Statistics and Probability Question 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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