HW 3 - Simple linear regression

Due Sunday, May 22, 9:00pm on Gradescope

This assignment needs to be completed with RMarkdown and submitted as a PDF on Gradescope. Feel free to re-use the template provided for HW1.

When submitting your work on Gradescope, please assign a page for each question.

Problem set (25 points)

  • 7.6, a-c (3 points)
  • 7.18 (2 points)
  • 7.20 (4 points)
  • 7.22 (7 points)

    • fit the model in R; the variables sho_gi and hgt respectively correspond to shoulder girth and height.

      d <- openintro::bdims

    • do parts a-f

  • 7.24 (5 points)

    • fit the model in R

      d <- MASS::cats

    • do parts a-d

  • 7.26 (3 points)
  • 7.28 (1 point)

Lab exercises - the Human Freedom Index (25 points)

You can find the lab here

  • Exercise 1 (2 points)
  • Exercise 2 (2 points)
  • Exercise 3 (3 points)
  • Exercise 4 (2 points)
  • Exercise 5 (2 points)
  • Exercise 6 (3 points)
  • Exercise 7 (2 points)
  • Exercise 8 (2 points)

Skip exercises 9-10.

  • Practice 1 (2 points)
  • Practice 2 (2 points)
  • Practice 3 (1 points) – only evaluate linearity
  • Practice 4 (2 points)