9/8/2011

Problem Session on Chapter 1 Exercises

• Discussion of RStudio versus R
• R software questions

Inferences in Regression and Correlation Analysis

• Sampling Distribution of b₁
• Expected Value
• Standard Deviation
• Standardized Pivot Quantity
• Set up probability statement for derivation of C.I.
• Derivation of C.I. for slope parameter
• Hypothesis tests for slope parameter

In class exercise

• 2.6 on p. 90 - see Airfreight.R

Please read Chapter 2 for class on Tuesday