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09-04-2020
History

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The mean of 28,12,4x,16,20,8 is 16 then x is

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09-04-2020

Answer:

3

Explanation:

Mean = (28+12+4x+16+20+8 )/6 =16

(84+4x)/6 = 16

Cross multiply

84+4x = 16 × 6 = 96

4x = 96-84=12

x = 12/4 = 3

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