Chapter 8: Introduction to Linear Regression (Week 11-13)

Reading Assignment 8.1, 8.3 -- Line Fitting, Residuals, and Correlation

Please read Section 8.1 of the textbook. Use these slides or the corresponding video to review the concepts or to refer back to when doing the homework questions.

Section 8.1: [ Discussion Slides ] Video

Worked Solution Video: [8.15]

Reading Assignment 8.2 -- Fitting a Line By Least Squares

Please read Section 8.2 of the textbook. Use the tutorial to learn how to calculation the regression equation, r, and R^2 on the calculator. Use these slides or the corresponding videos to review the concepts or to refer back to when doing the homework questions.

Section 8.2: [ Discussion Slides ] Video

+outliers/influential points: [ Discussion Slides ] Video

Calculator - Finding Regression Statistics: [ TI-83/84 ] [ Casio ]

Worked Solution Videos: [8.23] [8.25]

Optional: Derivation of LSRL coefficients

Reading Assignment 8.4 -- Inference for the Slope of a Regression Line

Please read Section 8.4 of the textbook. Use the tutorial to learn how to carry out the t-test for the slope of the regression line on the calculator. Use these slides or the corresponding video to review the concepts or to refer back to when doing the homework questions.

Section 8.4: [ Discussion Slides ] Video

Calculator - LinReg T-Test: [ TI-83/84 ] [ Casio ]

Calculator - LinReg T-Interval: [ TI-84 ] [ Casio ]

Worked Solution Video: [8.37]

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