Chapter 3 Homework
(Starnes, Yates & Moore, 4th edition)

Reading

This chapter is a big and important one. Carefully note the green definition boxes, and read the examples to clarify your understanding. The practice test at the end of the chapter as well as the "Check your understanding" questions throughout the chapter are great for multiple choice practice.

Section 3.1: Scatterplots and Correlation

Read the chapter, especially note well:

Section 3.2: Least Squares Regression

Read:
  1. Summary pp. 190
  2. LSRL r, p. 164 ff, 172
  3. residual 168
  4. Std Dev of the residual p 177
  5. Residual Plots p 175
  6. Role of r2 in regression p. 180
  7. Tech Toolbox 170-171, 178
  • Influential Observations, pp. 187

    Exercises

    Section 3.1 (p. 158-163)

    1
    5
    7
    11
    13
    21
    27
    29
    31

    Section 3.2 (p. 191-197)

    43
    49
    59
    63
    71

    Section 3 Review (p. 198-200)

    R3.5
    R3.6
    R3.7

    Terms

    Scatterplots, Correlation, Regression Line,r,r2, Residuals, Residual Plots, Influential Observations, Lurking Variables

    Skills

    Making and Interpreting Scatterplots, Regression Lines, and Residual Plots.

    Links