A sociologist wishes to see whether the number of years of college a person has complete is related to his or her place of residence. A sample of 70 is selected and classified as follows:
Location
No College
B. S. Degree
Advanced Degree
Urban
15
12
8
8
9
6
Suburban
15
Rural
8
7
Using significance level of 0.05, can the sociologist conclude that the years of college education are dependent
upon the residence location?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.