All Posts by Scott Hartshorn

About the Author

Scott Hartshorn is an aerospace engineering and computer scientist. He has a blog on math, statistics, and computer science at The purpose of the blog is to discover and share the eureka! moments in math when you understand an interesting concept and make connections to other things that you know. He can also be found on Facebook at @FairlyNerdy.

(Contributor Post) A Primer on Statistical Significance — Grade Comparison, Fertilizer Selection, Dice Rolling and Tire Lifespan Evaluation and More!

By Scott Hartshorn | Probability

Statistical significance — in a nutshell — is a way of determining if an outcome occurred by random chance, or if there was something else that caused that outcome. For example, let’s say that a school had two teachers, each with approximately $30$ students in their class. Both classes take a standardized test, and it turns […]

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