12/2/2016

Solutions to Multiple Regression Exercises - see MultipleRegression.R

• Quadratic regression model for predicting alligator weight from length
• Do we need separate lines to predict height from wingspan for students taking Elements of Statistics this semester?

Modeling Contest for Perch.csv

• Some possible models are in Perch.R

Return to prediction of BAC from beers consumed (on agenda for Nov. 14) - See Beer.R

• Confidence interval for mean
• Prediction interval for a new observation
• New R code - predict.lm and ci.plot

A discussion and development of a multiple regresssion model for parallel lines

In class Exercises from the textbook

• 8.1, 8.3, 8.5, 8.6

Reminder: We will have a quiz on Monday covering confidence intervals, prediction intervals, and multiple regression models.