1/29/2020

Chapter 6 - Paired Data

• Using R to compare the mean or median difference
• Example - Exercise 25 on p. 220 - Coors Field: Is this a hitter's park?
  • Open P:\Data\MATH\Hartlaub\SportsStats\SRIS Data\Chapter 6\Ex6-25.csv
  • Previous Student Project - Open P:\Data\MATH\Hartlaub\SportsStats\Presentations 2009\Coors Field Final.PPT
  • Discuss the difference between independent samples and paired data
  • Use R to form the difference for each pair
  • Use t.test to make the appropriate inference
  • Use wilcox.test to conduct the signed rank test
  • Download and install the package BSDA, and then conduct the sign test using SIGN.test(x, md=0)

Project Proposals

Please e-mail me no later than 9:00 pm on Monday, February 3with the names of the people in your group, a short description of your project, and a preferred date for your presentation (sometime between February 5 and February February 14).

In class exercises for Chapter 6

• Use R, SRIS applets, or Statkey to solve Exercises 3, 17, 19, and 25

Reminder: Our first quiz is on Friday and it will cover Chapters 1-4.