Math, asked by dhruvisharaj1007, 5 months ago

The mean of 10 observations is 16 . 5. it was later noticed that one observation was taken as 57 instead of 75 by mistake. then find the correct mean of the data .

Answers

Answered by shristirajpoot789

2

Answer:

sum of observation=10*16

sum of observation=160

sum of observation+75-57=New sum of observation

New sum of observation=170

mean=170/10

mean =17

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