Question

The mean of 15 numbers is 27. If each number is multiplied by 4 what will the mean of the new number?
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Answer 1

Step-by-step explanation:

the mean of the newest number is 540

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Answer 2

Answer:

THE MEAN OF NEW NUMBER SHALL BE 108;

Now ,lets see how its done:

Step-by-step explanation:

According to question:

or, Mean = Efx/N .....{where efx = sum of data and n = number of data}

or,27 = Efx/15

or,Efx = 27*15

or, Efx = 405

NOW,

IN ANOTHER CASE WHEN EFX IS MULTIPLED BY 4

or, mean = (efx *4)/n

or,mean = (405*4)/n

or,mean = 108

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