Math, asked by Amit12345, 1 year ago

Height of 30 boys was calculated as 150cm it was detected later that 1 value 165cm was wrongly copied as 135 . Find correct mean

Answers

Answered by geekin

6

sum of all heights =150*30= 4500

now correct sum = 4500-135+165. = 4530

new mean = 4530÷30

ans. 151

Answered by purshoutam

1

i thinks correct mean should be 151

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