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The mean of 9 observations was found to be 35. Later on, it was detected that an observation which was 91, was taken as 19 by mistake. Find the correct mean of the observations.
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The mean of 9 observations was found to be 35. Later on, it was

detected that an observation which was 91, was taken as 19 by
mistake. Find the correct mean of the observations.

User Majbah Habib
by
5.8k points

1 Answer

7 votes

Answer:

its 42

Explanation:

315-18+81=378

Correct mean =378/9=42

User Odesuk
by
5.0k points
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