Question

the mean of 16 numbers is 8 .if 2 is added to every number, find the new median.

Answer 1

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Here is your answer.

Mean of 16 numbers = 8

Sum of 16 numbers = 8×16
= 128

2 is added to every number,

Number of observations = 16
2 added to every number = 16×2
= 32

Therefore, 32 is added to the sum.

New Mean
$= \frac{128 + 32}{16} \\ \\ = \frac{160}{16} \\ \\ = 10$
Therefore, New Mean is 10.

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