Answers

2016-03-13T14:49:39+05:30
First 5 Composite Numbers are 4,6,8,9,10
Mean = Sum of Observation / No. Of Observation
          = (4 + 6 + 8 + 9 + 10)/5
          = 37 / 5
          = 7.4

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2016-03-13T14:51:04+05:30
 mean = sum of numbers/ number of numbers
           =4+6+8+9+10/5
           =7.4
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