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Approximate the mean of the grouped data. Round to the nearest whole number. Phonecalls(perday) Frequency 8-11 12 12-15 49 16-19 22 20-23 26 24-27 47

Approximate the mean of the grouped data. Round to the nearest whole number.

Phonecalls(perday)	Frequency
8-11	12
12-15	49
16-19	22
20-23	26
24-27	47

...

Question content area right

Part 1

A.31

B.18

C.17

D.20

E.19

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