Math/Stat 3850

Foundations of Statistical Analysis

Updated

General Information

Help for this class is available (besides Dr. Clair's office hours):
  • Math Help Center, Ritter 111: Hours.
  • Linux Lab, Ritter 117: Hours. Help with R questions

News

This course is over.

Online Content

March 20: syllabus changes
Zoom recording (syllabus changes)
March 23: xbar distribution
Zoom (class start at minute 12, 37 min total material), Slides, R Code
March 25 (live): central limit theorem
Zoom (35 min + Q and A), Slides, R code
March 25 (part 2): t distribution
Zoom (13 minutes), Slides, R Code
March 27 (live): Confidence Intervals
Zoom, Slides, R Code.
March 27 (part 2): Replicating CI's
Zoom (11 minutes), R Code
March 30 (live): Hypothesis Testing
Zoom, Slides, Code.
Additional Zoom help on Ch 4 questions 8,9 (8 minutes). NOTE! I did the command sd <- 2. I meant sigma <- 2. Don't do what I did because you will mess up the sd function!
March 30 (part 2): Arbuthnot's Hypothesis Test
Zoom (11 minutes), R Code
April 1 (live): One-sample t-test
Zoom(50 minutes), Slides, R code
normtemp-questions.Rmd (html version): Body temperature questions, and answers.
April 3 (live): Paired t-test
Zoom (Class from minute 8 to minute 53), Slides, R code
April 3 (part 2): Paired t-test example
Video (8 minutes), R code
April 6 : Exam 2 review
Zoom, Slides, R code
April 15 (live): Two sample t-test
Zoom, Slides, R code
April 15 (recorded): Exam 2 discussion
Zoom (14 minutes)
April 17 (live): Two sample testing
Zoom, Slides, R code
April 17 (part 2): Wilcox rank-sum test
Zoom (11 minutes), R code
April 20 : Type I and Type II errors
Zoom, Slides, R code
April 20 (part 2): A two sample test example
Zoom (10 minutes), R code
April 22 : Power
Zoom, Slides, R code
April 22 (part 2): Power battle: t test vs. Wilcoxon
Zoom (14 minutes), R code
April 24: Regression
Zoom, Slides R code
April 24 (part 2): Regression example: Miss America
Zoom (9 minutes), R code
April 27: Correlation and linear regression
Zoom, Slides R code
April 27 (part 2): Predictions with regression
Zoom (9 minutes), R code
April 29: Testing for correlation
Zoom, Slides R code
April 29 (part 2): Hypothesis testing example
Video (14 minutes), R code
May 1: Analysis of Variance
Zoom, Slides, R code
May 4: Exam Review
Zoom, Slides, R code

Resources

Software and References

References

Class Examples

Exams and Quizzes

Data

Homework Assignments

  1. Due Friday, January 17
    Read Chapter 1.
    Do Chapter 1 Exercises #2, 4, 7, 11, 12.
    Gain 3500XP in DataCamp "Introduction to R". The important chapters are chapter 1, 2, 4, 5.
  2. Due Wednesday, January 29
    Read Chapter 2.
    Do Chapter 2 Exercises #1, 3, 4, 5, 6, 8, 9, 10, 11, 14, 15, 16, 19, 21, 22.
  3. Due Friday, February 7
    Read Chapter 3.1-3.3
    Do Chapter 3 Exercises #1-11, 32, 33.
  4. Due Monday, 2/17
    Read Chapter 3
    Do Chapter 3 Exercises #12, 14-17, 23-27, 29, 30
    Gain 3000XP in DataCamp "Foundations of Probability in R". The important sections are 1, 2, 4.
  5. Due Friday, Feb 28
    Read Chapter 5.
    Do Chapter 5 Exercises #2, 5-14, 16, 17, 18, 23, 24, 25.
    Gain 2500XP in DataCamp "Data Manipulation in R with dplyr".
  6. Due Friday, March 6
    Read Chapter 6.
    Do Chapter 6 Exercises #1, 2, 3, 5a, 7, 8, 9, 10, 11, 12.
    Gain 3000XP in DataCamp "Data Visualization with ggplot2 (Part 1)", Ch 1-4.
  7. Due Monday, March 30
    Read 4.3-4.6
    Do Chapter 4 Exercises #8, 9
    Read 7-7.1
    Do Chapter 7 Exercises # 1, 2, 3, 4
  8. Due Monday, April 6
    Read Chapter 7 - 7.5
    Do Chapter 7 Exercises #5-10, 14, 17*
    * Here is a rewritten version of problem 17 that gives some steps.
    Gain 700XP in Inference for Numerical Data in R in DataCamp. Only work on section 2 of this course.
  9. Due Friday, April 24
    Read Chapter 7.4-7.6, Chapter 8
    Do Chapter 7 Exercises #11, 12, 13
    Do Chapter 8 Exercises #1, 2, 4, 6, 8, 11, 12
    Gain 700XP in Inference for Numerical Data in R in DataCamp. Only work on section 3 of this course.
  10. Due Friday, May 1
    Read Chapter 10
    Do Chapter 10 Exercises #1-10.
    Gain 3000XP in Correlation and Regression in DataCamp. This chapter is long, feel free to skip to the good parts.