Multiplied by 3 and then divided by 2. | Filo

Class 11

Math

Algebra

Sequences and Series

575
150

Multiplied by 3 and then divided by 2.

Solution: Mean of the given data

If is the mean of n number of observations then mean of is .
Thus, when each of the given data is multiplied by ,
the mean is also multiplied by
Mean of the original data is 12.
Hence, the new mean
575
150

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