Find the mean of first 10 composite number
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10
the number are 1, 3 , 7, 9 , 10 ,12 , 14, 15 ,16,18
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20
mean =sum of first 10 composite numbers / total number of composite numbers
= 2+4+6+8+9+10+12+14+15+16/10
= 96/10
= 9.6
= 2+4+6+8+9+10+12+14+15+16/10
= 96/10
= 9.6
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