List A and List B each contains 30 numbers. Frequency distributions for each list are recorded in

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List A and List B each contains 30 numbers. Frequency distributions for each list are recorded in the histograms below.image

image

The average (arithmetic mean) of the numbers in list A is 3.7, and the average of the numbers in list B is 10.1. List C contains 60 numbers: the 30 numbers of list A and the 30 numbers of list B.


Let M be the average and m be the median of the 60 numbers in list C. Which of the following relationships between M and m must be true?

A) M > m

B) M

C) M = m

D) The relationships between M and m cannot be determined.

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