Question

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

Answer 1

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)

Answer 2

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)