Stat

Linear regression and Multiple Regression assignment

· Download R Deducer from the link below

http://www.deducer.org/pmwiki/index.php?n=Main.DownloadingAndInstallingDeducer

· Use the data set provided on blackboard to answer the following questions.  Each tab on the file will correspond to a question. 

1.  Is intelligence and/or extroversion predictive of the dollar vales of sales per week for the following sales personnel?

2. Which variables or what combination of variables is most predictive of salary?

3. Which variables or what combination of variables is most predictive of food score?

4. Is class rank (freshman, sophomore, junior, and senior) predictive of GPA?  Remember that class rank is ordinal.

5. Is the  DIFFERENCE  between your own price of an item and your competitor’s predictive of the sales numbers?