STAT 155: Introduction to Statistical Modeling

Macalester College, Fall 2025

Statistics is not just about theories & numbers — it’s about making sense of the world.

📖 A Thought from H. G. Wells

“Statistical thinking will one day be as necessary for efficient citizenship as the ability to read and write.”

Welcome to the world of Statistics! In this course, you’ll learn how to analyze data, test research hypotheses, and make predictions in ways that matter.

Instructor: Md Mutasim Billah
Class meeting times:

  • Section 03: M/W/F 09:40-10:40am, THTR 002
  • Section 04: M/W/F 12:00-01:00pm, THTR 202

Instructor’s drop-in (office) hours:

  • Location: My office (OLRI 234)
  • Times: M/W: 01:30-02:30 pm.
  • By Appointment: I’m also happy to meet one-on-one! Shoot me an email and we can arrange it either in-person or over zoom, password: 123456.
  • Email Response Time: I do my best to reply to emails promptly during weekdays.
    Please note that messages sent after 4:00 pm or on weekends may take longer to receive a response.

STAT 155 Preceptor Office Hours: There is a link to a Google Calendar containing all preceptor office hours available at the top of the course Moodle page!

R/RStudio Preceptor Office Hours: Available on the MSCS Events google calendar (not to be used for questions about course content, only Data and R-related things!)

This course website will be updated throughout the semester with new activities, assignments, and announcements, so please bookmark this page if you are enrolled in the course!

If you find any typos, bugs, dead links, or have other questions, please email