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
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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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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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