Everyday Example

Activity: A Chi-Square Analysis of Taco Bell Sauce Packets

We all can (or should) agree that Taco Bell is the best fast food. When you take a trip to Taco Bell, they’ll inevitably ask if you would like any sauce. The best response: “surprise me.” The payoff? A heaping handful of sauce packets. But, are the flavors randomly distributed, or do they give you […]

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The Price is Right for Confidence Intervals

Dr. Alexis Grosofsky uses a game from The Price is Right to illustrate confidence intervals (CIs). The game can demonstrate the idea behind how a CI works. Students often find conceptual materials more difficult than computational – a concrete example helps make the concept of a confidence interval more understandable (and memorable). The video clips

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Lecture Slides: How Personality Differs across the United States (ANOVA Review)

These slides (created by Dr. Jessica Hartnett) discuss a one-way ANOVA example from published research examining if different parts of the United States exhibit different personalities. In her blog post about it, she includes a link to a Time magazine article about the study, CSV and Excel versions of the dataset. Here is a blog

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