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The “monthly midpoint” is calculated by taking the average (arithmetic mean) o...
Question 15
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The “monthly midpoint” is calculated by taking the average (arithmetic mean) of a month’s average high and low. Which of the following is the average monthly midpoint in City X for the 3-month period from July to September?
A.55.3
B.60.0
C.64.7
D.69.3
E.74.0
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