Question 9.28

9.28 How does RDC vary across the country?

rdcreg

The survey described in the previous exercise also classified community banks by region.14 Here is the table of counts. image

Offer RDC
Region Yes No
Northeast 28 38
Southeast 57 61
Central 53 84
Midwest 63 181
Southwest 27 51
West 61 76
  1. Summarize the results of this survey question numerically and graphically. [In Exercise 2.103 (page 113), you were asked to do this.]
  2. Test the null hypothesis that there is no association between region and whether or not a community bank offers RDC. Report the test statistic with the degrees of freedom.
  3. Report the P-value and make a sketch similar to the one on page 464 to illustrate the calculation.
  4. Write a summary of your analysis and conclusion. Be sure to include numerical and graphical summaries.