The weights of 3 apples in a box of 36 apples are 115g, 121 g and 118 g respectively. (a) What is the average weight of 3 apples?
(b) Estimate the total weight of 36 apples based on the average weight.
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Answer:
a) average= sum of all Observation/number of observation
average=115+121+118/3
=354/3=118
thus the average is 118
b) total 36 apples, estimating with average of first 3 apples,it will be
36×118=4248 g
that is
4kg 248g
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