STA-209 Applied Statistics (Fall 2025)

\(~\) Last updated: Wed Dec 3 2025, 07:31

Syllabus

Welcome to the course website for STA 209, Introduction to Applied Statistics. To begin, you can find the course syllabus linked below:

• Click here to view the course syllabus

You can locate course content by scrolling, or by using the navigation bar in the upper left.

Course Materials

Solutions

Exam #1 Content

Week 1 (Intro)

Date	Lecture	Lab	Reading
	-	-	-
	-	-	-
Fri 8/29	Introduction to Statistics	-	Packages

Assignments and Deadlines:

1. Download R
2. Download R Studio

Week 2 (Summaries)

Date	Lecture	Lab	Reading
Monday 9/1	Labor Day	-	-
Wed 9/3	Introduction to R	Intro to R	-
Fri 9/5	Visual Summaries	ggplot	-

Assignments and Deadlines:

• Homework 1, due Friday 9/12 at 10pm
• Intro R lab due Friday 9/5 at 10pm

Week 3 (Numerical Summaries)

Date	Lecture	Lab	Reading
Mon 9/8	Numerical Summaries	ggplot	-
Wed 9/10	Variance	ggplot2	-
Fri 9/12	Tables 1	Tables	-

Assignments and Deadlines:

• Homework 2 due Friday, 9/19 at 10pm
• ggplot and ggplot2 labs due Monday 9/15 at 10pm (no late submissions)

Week 4 (Tables and Odds)

Date	Lecture	Lab	Reading
Mon 9/15	Tables 2	Table Funsheet	-
Wed 9/17	Odds	Odds Funsheet	-
Fri 9/19	Correlation and Z Scores	dplyr	-

Assignments and Deadlines:

• Tables lab will be due Friday 9/19 at 10pm
• Homework 3 will be due Friday 9/26 at 10pm

Week 5 (Regression)

Date	Lecture	Lab	Reading
Mon 9/22	Simple Linear Regression	dplyr	-
Wed 9/24	Regression + Categorical	dplyr	-
Fri 9/26	Review	-	-

Assignments and Deadlines:

Exam 2 Content

Week 6 (Study Design)

Date	Lecture	Lab	Reading
Mon 9/29	Project Day	-	-
Wed 10/1	Exam 1	-	-
Fri 10/3	Study Design	-	-

Assignments and Deadlines:

• Topic List for Exam 1
• Practice Exam

Week 7 (Sampling Distributions)

Date	Lecture	Lab	Reading
Mon 10/6	Sampling Distribution	Fish 1 and Fish 2	-
Wed 10/8	Intervals	dplyr practice	-
Fri 10/10	Intervals II	-	-

Assignments and Deadlines:

• dplyr + ggplot2 due Sunday 10/12 at 10pm
• Homework 4 due Friday 10/17 at 10pm

Week 7 (Standardized Distributions)

Date	Lecture	Lab	Reading
Mon 10/13	Standardized Distributions	CLT Funsheet	CLT Lab
Wed 10/15	Proportions	-	-
Fri 10/17		-	-

Assignments and Deadlines:

• dplyr + ggplot2 due Sunday 10/12 at 10pm
• Homework 4 due Friday 10/17 at 10pm

Week 8 (Fall Break 🍂)

Week 9 (Hypothesis Testing)

Date	Lecture	Lab	Reading
Mon 10/27	Hypothesis Testing	Confidence Intervals
Wed 10/29	Strength of Evidence	-	-
Fri 10/31	Difference in Proportion 🎃	Cattle 🤠	-

Assignments and Deadlines:

• Homework 5 due Friday 10/31 at 10pm
• Lab 6 due Friday 10/31 at 10pm

Week 10 (Bootstrap)

Date	Lecture	Lab	Reading
Mon 11/3	Bootstrap	Null Distributions
Wed 11/5	Project Day	-	-
Fri 11/7	Exam 2 😎	-	-

Assignments and Deadlines:

• Null distribution worksheet not due but would still be wise to complete
• Exam 2 Topic List
• Practice Exam 2

Exam 3 Content

Week 11 (Power and Decision)

Date	Lecture	Lab	Reading
Mon 11/10	Decision Error		Mentor Notes (Julia)
Wed 11/12	Power and FWER	Hypothesis Testing	-
Fri 11/14	Difference Tests	-	-

Assignments and Deadlines:

• Homework 6 due Sunday 11/16 @ 10pm

Week 12 (\(\chi^2\) Tests)

Date	Lecture	Lab	Reading
Mon 11/17	Goodness-of-Fit	Hypothesis Testing	Mentor Notes (Julia)
Wed 11/19	Test of Independence (Guest Lecture)		-
Fri 11/21	Test of Independence Revisit + p-values also	-	-

Assignments and Deadlines:

• Hypothesis Testing lab due Friday 11/19 at 10pm
• Homework 7 due Friday 11/21 at 10pm
• Candidate Survey
• Course Mentor Survey

Week 13 (ANOVA)

Date	Lecture	Lab	Reading
Mon 11/24	ANOVA
Wed 11/26			-
Fri 11/28	🦃	-	-

Assignments and Deadlines:

• Apply to be a Statistics mentor!

Week 14 (ANOVA + Regression)

Date	Lecture	Lab	Reading
Mon 12/1	❄️
Wed 12/3	ANOVA 2		-
Fri 12/5		-	-