1/27/2017

Inferences in Regression and Correlation Analysis (continued)

• R Example - Exercise 2.6 - Airfreight.R
• Sampling Distribution for b₀
• Expected Value
• Standard Deviation
• Inferences for intercept parameter
• Confidence Intervals
• Hypothesis Tests
• Interval estimation for the mean response for a particular value of the explanatory variable
• Prediction of a new observation
• ANOVA approach to regression
• Descriptive measures of linear association between two quantitative variables
  • Coefficient of determination
  • Correlation coefficient
• Inference for correlation coefficients
  • Pearson
  • Spearman

We will have a problem session (if needed) on Monday