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A scientist is weighting each of 30 fish...

A scientist is weighting each of 30 fishes. Their mean weight worked out as 30 gm and standard derivation of 2gm. Later, it ways found that the measuring scale was misaligned and always under reported every fish by 2gm. The correct mean and standard deviation (in gm) of fishes are respectively :

A

1) 32,2

B

2) 32,4

C

3) 38, 2

D

4) 28, 4.

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