QA NL 2 216 Group Project #2
Mini-Case 6

Project due date and oral presentation: 5 / 5 /201 4
There are three members in this group.

Requirements:
The purpose of the project is to find some applications of regression technique and model building in business area. The following mini-cases are provided for students’ choice. The class will be divided into four groups and one mini-case for each group;
Each group should have four members and vote one member as the group leader. The group leader is responsible for communicating among members and between the group and the instructor. The group leader should assign the questions to the group members, combine the separate files from the members into one file and send it to the instructor [email protected] on or before the due date. All students are supposed to use Powerpoint or MS-WORD to prepare their analysis or answers for the questions and send their files to their group leaders. Group leaders: please write down the names of your group members and point out which question(s) a member is responsible for in your final combined files.

Mini-Case 6 Study on sports ratings

Jeff Sagarin has been providing sports ratings for USA Today since 1985. In baseball his
predicted RPG (runs/game) statistic takes into account the entire player’s offensive statistics, and is claimed to be the best measure of a player’s true offensive value. The following data show the RPG and a variety of offensive statistics for the 2005 Major League Baseball (MLB) season for 20 members of the New York Yankees (USA Today website, March 3, 2006). The labels on columns are defined as follows: y= RPG, predicted runs per game statistic; x1= H, hits; x2= 2B, doubles; x3= 3B, triples; x4= HR, home runs; x5= RBI, runs batted in; x6= BB, bases on balls (walks); x7= SO, strikeouts; x8= SB, stolen bases; x9= CS, caught stealing; x10= OBP, on-base percentage; x11= SLG, slugging percentage; and x12= AVG, batting…