Find mean of first 11 even natural numbers
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5
the first 11 even natural numbers are 2,4 ,6,8,10,12,14,16,18,20,22
mean= sum of observations /total number of observations
2+4+6+8+12+14+16+18+20+22/11
=132/11
=12
therefore the mean is 12
Answered by
1
Step-by-step explanation:
mean=sum of observations÷no.of observatuons
mean=sum of first 11 natural numbers÷11
mean=(n×(n+1)÷2)÷11
mean=(11×12÷2)÷11
mean=(11×6)÷11
mean=6
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