Week 6

Hypothesis Testing & Exam 2

Overview of Week 6

Mon: Day 10

• Hypothesis testing for one mean (single-sample): Section 4.3, 5.1
• CIs vs. hypothesis tests
• Inference for two-sample paired data: Section 5.2
• R projects, here::here(), and loading data into R from a file
  • See Projects in RStudio file for more information
• Running a t.test in R

Wed: Exam 2

• See the Exam 2 information section below for more information

Slides & Recordings

• Pre-recorded lessons are on Echo Video.

Day	Topic	Slides: html	Slides: pdf	Slides: web-page	Slides with notes	Recording Link	Duration	Code: qmd	Code: html
10 part 1	Hyp test 1 mean intro	Day 10 Part 1: slides 1-13				Day 10 Part 1	26 min
	Hyp test steps: 4.3, 5.1	Day 10 Part 1: slides 14-25	same		same	Day 10 Part 2	36 min	same
	R demo	Day 10 Part 1: slides 26-34	same		same	Day 10 Part 3	25 min	same
10 part 2		Day 10 Part 2				No recording

Datasets

All datasets can be found on GitHub

• BodyTemperatures.csv
• chol213.csv

Practice Problems

Day 10 PP

• Book exercise: 5.12

Class discussion

During class you will be working in groups discussing the following:

Day 10

• Practice Problems listed above
• Work through Day 10 Part 2 slides
  • There are specific questions in orange on (most) slides.
• Problems from Homework 4:
  • Book exercises:
    • 5.16
  • R1: Swim times

Homework

• HW 4 covers Days 10-12 and is due on Sat, 11/15
• Check out this spreadsheet for typos in book.

Exam 2 information

• Exam 2 will be on Wed, Nov. 5th
• Samples of past exam questions and answers (on Sakai)
• Material will cover Days 6-9,
  • which is approximately Sections 3.1-3.4, 4.1-4.2 from the textbook.
• The exam will be in-class and handwritten. Bring a calculator.
• You may bring one page of notes on an 8.5” x 11” sheet of paper.
  • You may use both sides.
  • You may type your notes.
  • You may not use screenshots of the notes or textbook
  • You will be turning in the page of notes with the exam, so please add your name to the sheet.