Question

The mean of 16 numbers is 8. If 2 is added to every number, find the new mean.
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Answer 1

Answer:

2.25

Step-by-step explanation:

16÷8 = 2

2+16 =18

18÷8= 2.25

Answer - 2.25

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Answer 2

Step-by-step explanation:

let the numbers be x

x/16 = 8

x = 16 × 8 = 128

let the numbers be (x1+2) , (x2+2), (x3+2)..... so on

new mean = (x1 + x2........) + 2 × 16 ÷ 16

new mean = 128 + 32 ÷ 16

= 160 ÷ 16

= 10