Q. 555.0( 1 Vote )

The following are

Answer :

(A) Mean =


Sum of weights = 70 + 62 + 54 + 57 + 62 + 84 + 75 + 59 + 62 + 65 + 78 + 60


= 788


Number of people = 12


Mean = = 65.66


(B) Mean weight = 65.66


People above mean weight are 70, 75, 78, 84


4 peoples are above mean weight


(C) Range = Highest weight – Lowest weight


Highest weight = 84


Lowest weight = 54


= 84 – 54 = 30


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