Answers

2015-09-01T16:31:14+05:30
First 5 prime now are 2 3 5 7 11 Therefore 2 +3+5+7+11=28 28÷5=5.6
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2015-09-01T18:16:01+05:30
Mean= sum of all observations/ number of observations
first five prime numbers= 2,3,5,7,11
mean=2+3+5+7+11/5=28/5=5.6
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