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Better Cheddar

In this case study students assume the role of quality assurance personnel at a small artisan cheese company. They are given a flowchart of the che ...

Chuck A. Luck Wagers a Buck

This directed case study, based on a question asked in a newspaper column about a popular carnival game of chance, was developed for an undergradua ...

Concentrating on Whey: The Use of Statistics in Process Control

This interrupted case study follows the progress of Kenny, the head operator for a whey protein processing system, as he works with Cheryl, a quali ...

Eating PCBs from Lake Ontario - Is There an Effect or Not?

This case is based on an actual news release reporting on research about the effects of eating Lake Ontario fish contaminated with PCBs. Developed ...

Eating PCBs from Lake Ontario - The Clicker Version

This is a “clicker” adaptation of another case in our collection, “Eating PCBs from Lake Ontario: Is There an Effect or Not?&rdqu ...

Everyone Knows Girls Are Bad at Math, Right?!

This case study explores the biology and culture of sex and gender, and focuses on the science and pseudoscience that surrounds this topic, especia ...

Experimental Design and Statistical Analysis

This case is based on a research paper about the lignin content of genetically modified corn published in the American Journal of Botany. ...

Farming in Space

If you were limited to choosing only three crops to sustainably farm in an arid, inhospitable environment, what would they be and how would you dec ...

Is the Data Dirty or Clean?

This case study challenges students to differentiate between anecdotal evidence and science-based evidence related to human health. The case uses a ...

Is There a Relationship Between Blood Type and Risk of Contracting COVID-19?

This directed case study introduces the basics of blood typing and discusses possible correlations for contracting COVID-19 by blood type. After st ...

Lady Tasting Coffee

In the 1920s, biologist and statistician Ronald Fisher met a woman who claimed she could taste whether a cup of tea was prepared by adding milk bef ...

Markov vs. Markov

In this directed case study, students build a Markov chain probability model of marriage and divorce using statistics - the chance of divorcing in ...

Mathematically Modeling Aircraft Fuel Consumption

The problem studied in this case deals with the identification of potential ways to lower fuel consumption in a 737 aircraft. Students are presente ...

Mathematics in Conservation

This interrupted case study teaches probability theory and transmission genetics through their application to the conservation of the endangered Fl ...

Mini Cases on Choosing Appropriate Statistical Tests for Ecological Data

This set of mini cases on the ecology of eastern cottontail rabbits is designed to give students practical experience using statistics in a scienti ...

One Bad Apple

In this case study, students assume the role of a quality assurance (QA) technician who is working on finding the root cause of customer complaints ...

Packing Pickles: Picking and Performing a Statistical Test

Based on a true story, this case study was created to teach students how to perform statistical tests and determine whether a significant differenc ...

Potato Chip Problems

In this case study, students assume the role of a quality assurance team that is in charge of determining potential causes and solutions for potato ...

The Case of the Two-Faced Data

This case study on Simpson's paradox is a fictionalized account of a famous case of alleged gender discrimination at University of California at Be ...

The Company’s Best Yogurt

In this case study, students assume the roles of research and development personnel in a dairy company that is developing a low-fat yogurt. Guided ...

The Hunger Pains

In this interrupted case study, good friends Sara and Mallory discuss Sara's recent healthy weight loss and her difficulty in maintaining her desir ...

Through the Grater

In this interrupted case study, students assume the role of a quality assurance intern at a plant that manufactures shredded cheese. As there is no ...

Unintended Consequences of Plant Domestication on Plant-Insect Interactions

This case study investigates how plant domestication sometimes produces unintended consequences for plant-insect interactions. The narrative follow ...

What Are the Odds? A Cupcake Mishap

"Gerri" is the owner of a local bakery that specializes in cupcakes. Her assistant, "Kelsey," is preparing an order for a wedding when she discover ...

Which Came First, the Mutation or the Antibiotic?

This case study presents the story of Phil, an undergraduate majoring in biology, whose Russian cousin Dimitri has contracted tuberculosis (TB) fro ...