9/22/2025

Any review questions

See GoogleDrive\Stat206-DataAnalysis-F2025\2ePowerPoint\Sec3.1R

• Multiple Regression
  • Model
  • Correlation matrix
  • Prediction equation
  • t-test for slope
  • ANOVA for overall fit
  • Std. deviation of error
  • R-squared

Demonstration

• See GoogleDrive\Stat206-DataAnalysis-F2025\2eMarkkdown\Sec3.1.Rmd

In Class Exercises

• 3.44 on p. 150 (see MDs-Ex3-31.R)
• 3.13, 3.20, 3.22

Please read Sections 3.2 and 3.3 for class on Wednesday.

Reminder: Quiz #1 will be given in class on Friday and it will cover Chapters 0, 1, and 2. You may use up to three 8.5"x11" sheets of notes, our R scripts, our R markdown files, and an R script or R Markdown file that you can create during the quiz.

Sample quizzes and exams are provided in GoogleDrive\Stat206-DataAnalysis-F2025\!Exam and Quiz samples