Below is a class distribution table for the weights(in kg) of athletes who registered for a wrestling competition.
Weight Frequency
70-74 4
75-79 7
80-84 11
85-89 8
Find the mean weight of the wrestlers who will be competing in the tournament. Write your complete solution below
"mu=\\frac{72*4+77*7+82*11+87*8}{4+7+11+8}=\\frac{2425}{30}=" 80.33.
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