Math, asked by pariporwal193, 1 year ago

if mean of 12 observations is 63 if 2 is added in each observation then find new mean

Answers

Answered by PKD419
2

Answer:

Mean=63

Sum=63×12

      =756

New sum=756+(12×2)

               =756+24

               =780

new mean=780/12

                 =65

Step-by-step explanation:

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