find the mean of composite numbers between 1 to 20
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composite numbers between 1 to 20 are
4,6,8,9,10,12,14,15,16,18.
mean= sum of observations divided by number of observations
4+6+8+9+10+12+14+15+16+18
divided by
10
=112/10
=11.2
4,6,8,9,10,12,14,15,16,18.
mean= sum of observations divided by number of observations
4+6+8+9+10+12+14+15+16+18
divided by
10
=112/10
=11.2
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