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Introduction to Probability and Statistics

Math 141 Reed College, Spring 2026


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Week 1

Monday, Jan 26

Course Introduction & Statistical Thinking
Reading Slides

Wednesday, Jan 28

Data Visualization Introduction
Reading Slides

Thursday, Jan 29

Lab: Introduction to R, RStudio, and Quarto
Reading Lab Instructions Download Lab Slides

Friday, Jan 30

Data Visualization: the 5 Named Graphs with ggplot2
Reading Slides Download HW01

Resources

  • Join Slack (invite link on Moodle)

Week 2

Monday, Feb 2

Summary Statistics
Reading Slides

Wednesday, Feb 4

Data Wrangling
Reading Slides

Thursday, Feb 5

Lab: Data Visualization
Reading Download Lab

Friday, Feb 6

Probability I: Introduction and LLN
Reading Slides Download HW02

Resources

  • None this week

Week 3

Monday, Feb 9

Probability II: Properties and Rules
Reading Slides

Wednesday, Feb 11

Data Collection and Sampling
Reading Slides

Thursday, Feb 12

Lab: Data Sampling and Summary Statistics
Download Lab

Friday, Feb 13

Study Design
Reading Slides Download HW03

Resources

  • None this week

Week 4

Monday, Feb 16

Linear Models I: Introduction
Reading Slides

Wednesday, Feb 18

Linear Models II: Accuracy and Assumptions
Reading Slides

Thursday, Feb 19

Lab: Linear Regression
Download Lab Demo File

Friday, Feb 20

Linear Models III: Categorical Predictors
Reading Slides Download HW04

Resources

  • None this week

Week 5

Monday, Feb 23

Linear Models IV: Multiple Regression
Reading Slides

Wednesday, Feb 25

Linear Models V: More Variables + Case Study
Reading Slides

Thursday, Feb 26

Lab: Multiple Linear Regression
Case Study Demo Download Lab

Friday, Feb 27

Sampling Distributions I: Introduction
Reading Slides Download HW05

Resources

  • None this week

Week 6

Monday, Mar 2

Sampling Distributions II: Properties
Reading Slides Midterm Review Sheet

Wednesday, Mar 4

Bootstrapping
Reading Slides

Thursday, Mar 5

Lab: Midterm Review

Friday, Mar 6

Sampling vs Bootstrap Distributions
Reading Slides Activity

Resources

  • None this week

Week 7

Monday, Mar 9

Confidence Intervals I: Introduction
Reading Slides Download HW06

Wednesday, Mar 11

Confidence Intervals II: Misconceptions and Changing Levels
Reading Slides

Thursday, Mar 12

Lab: MIDTERM EXAM

Friday, Mar 13

Hypothesis Testing I: Introduction
Reading Slides

Resources

  • None this week

Week 8

Monday, Mar 16

Hypothesis Testing II: Null Distributions and P-Values
Reading Midterm Revisions Slides

Wednesday, Mar 18

Hypothesis Testing III: Types of Errors, Power
Reading Slides

Thursday, Mar 19

Lab: Sampling and Bootstrap Distributions
Download Lab

Friday, Mar 20

P-Value Pitfalls
Reading Slides Download HW07

Resources

  • None this week

Week 9 (Spring Break)

Saturday, March 21 - Sunday, March 29

No Class

Resources

  • None this week

Week 10

Monday, Mar 30

Random Variables I: Introduction
Reading Slides

Wednesday, Apr 1

Random Variables II: Discrete Distributions
Reading Slides

Thursday, Apr 2

Lab: Confidence Intervals & Hypothesis Testing
Download Lab

Friday, Apr 3

Random Variables III: Continuous Distributions & the CLT
Reading Slides Download HW08

Resources

  • None this week

Week 11

Monday, Apr 6

Theory-based Inference I: Intro
Reading

Wednesday, Apr 8

Theory-based Inference II: Proportions
Reading

Thursday, Apr 9

Lab: The Normal Distribution

Friday, Apr 10

Theory-based Inference III: Means
Reading

Resources

  • None this week

Week 12

Monday, Apr 13

Theory-based Inference IV: Activity

Wednesday, Apr 15

Inference for Regression I: Recap and Introduction to Theory

Thursday, Apr 16

Lab: Theory-Based Inference

Friday, Apr 17

Inference for Regression II: Simulation-Based Methods

Resources

  • None this week

Week 13

Monday, Apr 20

Inference for Regression III: ANOVA

Wednesday, Apr 22

Inference for Regression IV: Activity

Thursday, Apr 23

Lab: Inference for Regression in R

Friday, Apr 24

Chi-Squared Tests

Resources

  • None this week

Week 14

Monday, Apr 27

Modeling Categorical Outcomes

Wednesday, Apr 29

Review Day (Conceptual)

Thursday, Apr 30

Lab: Review Day (Coding)

Friday, May 1

The Whole Pipeline: Data to Inference

Resources

  • None this week
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