The following data set attempts to model the annual salary

(in thousands of dollars) of a random sample of n=20 high school mathematics teachers using years of teaching experience and geographic location (0= South, and 1=North). The data set is given below. The same data set and Minitab output is provided exam2.mtw.  
            Your model should first be built in order to answer all of the following research questions. Make certain you have acceptable diagnostics and/or you have made      an acceptable transformation. 
 
a.      Is location a significant predictor of salary?
 
 
 
b.      Is Years of Experience a significant predictor of salary?
 
 
 
c.      Does the influence of experience depend on location and does the influence of location depend on experience?
 
 
 
d.      Describe the influence that Years of Experience has on salary for a teacher located in the South.
 
 
 
e.         Describe the influence that Years of Experience has on salary for a teacher located in the North.