Math, asked by nishthasharma3414, 10 months ago

Mean of 49 items are 100, if three of the items 60,70,80 are wrongly noted as 16,17,18. Find the mean

Answers

Answered by sathwikshetty98

1

Step-by-step explanation:

Cost of 49 items=49*100=4900

Correcting the mistake=4900-16-17-18+60+70+80=5059

Actual mean=5059/49=103.24

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