1/18/2013

Complete Chapter 1

• Model: PERFORMANCE = ABILITY + RANDOM CHANCE
• Did LeBrone James choke in the playoffs? (31.5% ability; 25.7% performance; n = 70)
• Is Sidney Crosby a clutch hockey player? (13.9% ability; 19% performance; n=79)
• Any additonal questions about your reading?

Simulation with Minitab - demonstration

• Calc > Random Data
• Calc > Calculator > set up your new variable
• Calc > Calcularor > create a cumulative count using the PARS (partial sums function)
• Calc > Make Patterened Data > create a list of trials from 1 to n
• Calc > Calculator > create a cumulative proportion
• Graph > Scatterplot > plot the cumulative proportion versus trial number

Chapter 2

• Is there a home field advantage in the NFL?
• Hypothesis Testing - see handout for definitions
• How do we establish causation?
• What is confounding?
• Simulation with cards - one trial
• Use Statkey or SRIS website to simulate sampling distribution of the difference in two proportions.

Class exercises from Chapter 2

• 7, 11, 17, 21

Reading Assignment - Please read Chapter 3 for class on Monday.