Math, asked by ramkumar57, 1 year ago

mean of 10 observations was found to be 51 letter on it was found that the observation 62 misread has 72 find the correct mean

Answers

Answered by mondalananya8765
12

Wrong mean of 10 observations=51

Sum total of the ten observations =51*10=510

New total =510-72+62=500

Therefore, new mean=500/10=50(ans)

Answered by parthashar2801
4

Answer:

Step-by-step explanation:

Wrong mean of 10 observations=51

Sum total of the ten observations =51*10=510

New total =510-72+62=500

Therefore, new mean=500/10=50(ans)

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