There are 50 Nos. Each no. is subtracted from 53 and the mean of the numbers so obtained is found to be -3.5 . Find the mean of the given numbers. Pls answer fast!
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The mean of 50 numbers is 56.5.
- There are total 50 numbers .
- Let the mean of 50 numbers be x.
- When each number is subtracted from 53 , the corresponding mean so obtained is -3.5.
- We have to find the mean of the numbers that is x.
Mean of 50 numbers = x
Each number is subtracted from 53 mean will be = 53 - x
(As 53 will be subtracted from each number, the corresponding mean will also be subtracted from 53.)
-3.5 = 53 - x
- Solving the equation we get,
x = 56.5
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