Math, asked by abhishekpatra1253, 20 days ago

The average weight of a group of 15 boys was calculated to be 60 kg and it was later discovered that one weight was
misread as 24 kg instead of the correct one of 42 kg. Find the correct average weight
(1) 60.2 kg (2) 61.2 kg (3) 62 kg (4) 61kg (5) None of these
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Answers

Answered by ronnie528
0

Answer:

61.2

Step-by-step explanation:

x bar =sigma x/n

sigma x=15×60

=900

sigma x + right value - wrong value

900+42-24=918

new x bar = 918/15

=61.2

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