The weights of 5 children are 27 kg, 20 kg, 22 kg, 18 kg and 23 kg respectively. What is their average weight?
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Answer:
Arrange in ascending
that is , 18 , 20 , 22 , 23 , 27
no. of observation=5
(5+1)/2
6/2
3
ans 3rd observation -22
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