1.

The mean deviation of first 8 composite numbers is

Answer»

Heya...!!!!
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Here is UR answer,,,,,
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The  first 8 composite numbers are 4,6,8,9,10,12,14,15

Mean = Sum of Observation / No. Of Observation

=(4 + 6 + 8 + 9 + 10+12+14+15)/8

=9.75

mean=9.75/2=4.88
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