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#1 2019-06-07 18:58:45

MKNB
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Moments

The following frequency distribution represents the ages of 120 men in a certain locality

Ages(Years) 10-14   15-19   20-24   25-29   30-34   35-39   40-44   
No of Men       5           10       18        27         35        16        9

Sum fi= 120

Sum Xi x fi  =  3445

Mean =      3445/120   =  28.7083

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