`<- openintro::bdims d `

# 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.do parts a-f

- 7.24 (5 points)
fit the model in

`R`

`<- MASS::cats d`

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)