# 1/27/2017

## Inferences in Regression and Correlation Analysis (continued)

- R Example - Exercise 2.6 - Airfreight.R
- Sampling Distribution for b
_{0}
- 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

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