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July 30, 2014

Homework Help: statistics

Posted by carmen on Monday, March 1, 2010 at 5:35pm.

Is this a descriptive study or an inferential study. I say descriptive......

The table below shows the average income by age group for residents of a small mid-western town in 2001 based on a sample of 200 individuals from each group.

Age Group Average Income
18 25 $ 19,256
26 - 40 $ 28,456
41 - 55 $ 35,852
56 - 71 $ 28,986
Over 72 $ 19,258

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