Chapter 3 Homework
Reading
Section 3.1: Scatterplots
Read:
Summary pp. 195-6
Scatterplots pp. 174
Interpreting Scatterplots, pp. 176
Categorical Variables in Scatterplots, pp. 179
Tech Toolbox (p. 183-184, 186)
Section 3.2: Least Squares Regression
Read:
Summary pp. 229
LSRL
r
, pp. 205
Prediction p 203
Residual Plots p 217
Facts about correlation, pp. 225
Role of
r
2
in regression p. 223
Tech Toolbox 210-211, 219-220
Section 3.3: Correlation
Read:
Summary p. 243
Influential Observations, pp. 234-237
Lurking Variables p 239
Chapter Review pp. 248-250
Exercises
Section 3.1
3.11 (p. 184)
3.15 (p. 193)
3.27 (p. 199)
Section 3.2
3.35 (p. 212)
3.47 (p. 228)
Section 3.3
3.59 (p. 238)
3.67 (p. 243)
3.69 (p. 244)
3.86 (p. 255)
Terms
Scatterplots, Correlation, Regression Line,
r
,
r
2
, Residuals, Residual Plots, and Influential Observations Lurking Variables
Skills
Making and Interpreting Scatterplots, Regression Lines, and Residual Plots