Math/Stat 242:
Introductory Statistics
This is a subpage of the Math/Stat 242 Course page. If you need overall syllabus info about Math/Stat 242, click here.
This course meets in Morken 214
M, W 12:15 - 1:45 pm OR
M, W 2:00 - 3:30 pm
Student hours are
M, W, F 10:30-11:15 am;
Th 11:30-12:15pm;
& by appointment! (in person or virtual)
Agenda:
NJ's Reminder not to use cell phones / not to check cell phones/ turn them off now
Please put computers away. If you would like to use R, you may log into a classroom computer.
Interpret the (purpose and) meaning of a confidence interval
Calculate the confidence interval for a population proportion using a series of hypothesis tests
Navigate the relationships between sample size, the width of a confidence interval, and the confidence level
Agenda:
(If time): Discuss how to calculate a confidence interval using R
(If time): CI interval practice (link).
(If time): Discuss how to calculate a confidence interval by hand.
Take-home exam due Oct 1.
This is a hard deadline! Scores of 0 once I release scores/solutions to the class!
In-class Exam 1: Oct. 6.
In-class Exam could be tougher than the take-home.
As you study, if you want my solutions to one of the activities, please ask!
No quiz this week
Exam 1 Review is here.
You can thank Alex!
...And tentative solutions are here.
Take Home Exam (due Wednesday).
Use z-scores to assess whether an outcome is unlikely
Discern whether a question asks for a confidence interval or a hypothesis test
Agenda:
Take-home questions?
Discuss standard devation, z-scores (slides): What is a big deal?
HW 04 Due Thursday, next week!
Take Home Exam (coming soon on G.C.)
Expected release tomorrow.
Let NJ know if Oct 6 is a conflict for Exam 1
Agenda:
In Groups:
Your name and how to refer to you
If you had to give a TED talk right now (wiht no preparation), what would it be about?
Discuss questions on the quiz
12:30 class: functions, arguments in R (slides: 02 Script Files & basics)
Lesson 05 (notes)
Homework Questions.
Quiz (open today at 3pm, due tomorrow)
HW 04 tentatively Due Thursday, bring questions to class on Wednesday!
Let NJ know if Oct 6 is a conflict for the in-class exam.
Agenda:
New Groups:
Your name and how to refer to you
Choose your favorite:
In groups: Summarize what we've done so far in Lesson 04
Finish Lesson 4 (notes)
Intro to R (slides: 01 Intro, 02 Script Files & basics)
Lesson 05 (notes) - you need some of this for HW 04
We will use R on Monday
HW 3 Due Thursday
Email NJ if you have requests regarding groups
Download R/ R Studio
Discern when the research question calls for a one versus a two-tailed test
Calculate the p-value for a 2-tailed test
Agenda:
Quiz discussion
HW questions
P-value practice
More p-value practice: (link)
Lesson 4 (notes)
We will likely start using R next week. (Downloading it is on your to do list)
Classroom computers have R/R-Studio if needed.
Quiz 03 is on GC (due tomorrow)
HW 03 is on GC (due Thursday).
Take a look and bring your questions to class on Wednesday!
Email NJ by 7pm Sunday if you have requests for seating for the next groups!
Proximity to window or door
Position relative to the screen
Personnel to avoid to support your learning (I don't need details)
Due Soon (next week?)
Read Modern Dive first few sections of Chapter 1 (Stop when it says: 1.2 How do I code in R?)
Download (or update) R on your computer
Download (or update) R-Studio on your computer
Apply statistical tests in ways that can make social change
Set up hypothesis test NOT with 50-50 model
Calculate a p-value and use it to conclude about a statistical question.
Agenda:
Seating Chart 12:15 class, 2:00 class
Reike photo contest (see flyer @ right)
Coffee Donuts Fruit (free!) in ERB on September 15 11:45am-12:15pm
NJ is the "Director of Data Science" at PLU. Come see me if you are interested in:
Minor in statistics
Minor in Data Science
Major in Data Science
Major in Applied Math
Major in (Pure) Math
HW due Friday @ 3pm
Agenda:
In Groups:
Share/remind us how we should refer to you
What is your "theme song" for today?
Quiz from Tuesday: check in with group about any questions you had.
Parameter vs. Statistic practice (link)
Finish Lesson 02 - Lesson notes
Homework 02 questions
If time: Start Lesson 03: A Discrimination case (notes)
Seating Chart 12:15 class, 2:00 class
Please let me know if I refer to you incorrectly
12:15 pm class: do you want a smaller class size? Join the 2:00pm class!!!
ERB (Math Center) is across from NJ's office & open to all students taking math!
Naufal's contact info:
Let me know if you want to use electronic copies of the notes
Email NJ food allergies
We may adjust the due date of HW to Thursday @ 3pm.
Quiz 2 open @8am Monday, due Tuesday 3pm
Check out HW2 and bring questions to class on Wednesday!
HW 2 open @8am on Monday, due Friday @ 3pm
Agenda:
Group Formation/Processing:
Share/remind us how we should refer to you
Share about your favorite pet & why you liked it. (If no pets? Share your Favorite family member or friend)
Syllabus Quiz
12:15pm class: complete Syllabus Quiz
2:00pm class: double check answers b/c there are some incorrect ones!
More intro to hypothesis testing: Buzz and Doris.
01 -Lesson Notes.
If time: formalizing the process
02 - Lesson notes
If time: Hypothesis Testing Practice (link)
Seating Chart 12:15 class, 2:00 class
Welcome! I am Dr. Justice!
Important websites:
How to reach the syllabus
How to reach this Weekly Content Page
Best way to reach NJ is via email
If you have a question about coursework be sure to include the question prompt in the email.
Student (Office) Hours:
M, W, F 10:30-11:15am
Th 11:30 am-12:15 pm;
& by appointment! (in person or virtual)
Intro Naufal: naufal.alavi@plu.edu
Due by Thursday (7:30pm):
Join Google Classroom
Information Sheet (on G.C.) (~10 min)
Read Syllabus
Syllabus Quiz (on G.C.) (~10 min) - postponed to Monday for the 12:15 class.
HW 01 due Friday at 3pm (link available soon). Submit as PDF to Google Classroom
(Rossman, Chance, Medina article is here)
Due Soon (next week?)
Read Modern Dive first few sections of Chapter 1 (Stop when it says: 1.2 How do I code in R?)
Download (or update) R on your computer
Download (or update) R-Studio on your computer
In Class:
Syllabus Topic: Late work policy
Intro to the Course (slides intentionally not included).
(5 min break)
Intro to Dophins Activity
01 -Lesson Notes.
How to reach Google Classroom (GC)
Syllabus Quiz (in groups) available on GC