Question

(i) The following are weights (in kg) of 12 people.
70, 62, 54, 57, 62, 84, 75.59, 62, 65, 78, 60
(a) Find the mean of the weights of the people.
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Answer 1

Answer:

Arranging the data in ascending order, we get 54, 57, 59, 60, 62, 62, 62, 65, 70, 75, 78, 84 (b) Since, mean = 65.6 kg ∴ 4 people have weight above mean weight. (c) Range = Highest weight – Lowest weight = (84 – 54) kg = 30 kgRead more on Sarthaks.com - https://www.sarthaks.com/788845/the-following-are-weights-in-kg-of-12-people-70-54-75-find-the-mean-of-the-weights-of-the-people