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