Answers

2016-01-06T09:32:33+08:00
Getting the mean/average of the following data, we have the formula:
mean = ∑x / n
mean = (2+3+4+...+14+21) / 14
mean = 140 / 14
mean = 10
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2016-01-06T22:40:16+08:00
(2+3+4+6+6+8+9+12+10+15+12+18+14+21)=140
140 / 14= 10
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