SOLUTION: Brian had marks of 80, 94, 70, 68 and 83 on five tests. His average score is between?

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Question 972734: Brian had marks of 80, 94, 70, 68 and 83 on five tests. His average score is between?
Answer by Boreal(15235) About Me  (Show Source):
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Average is sum divided by the number of events
Sum is 395
number is 5
average is 79
It is between 78 and 80
it is between 75 and 85
it is between 78.9 and 79.1