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Why 0.05? Two Examples That Put Students in the Role of Decision-Maker
By Leah Dorazio Any teacher of introductory statistics has heard this question more times than they can remember: “Why 0.05?” Here, the value 0.05 refers to the significance level in a hypothesis test. A nice overview of hypothesis tests is described in the Fall/Winter 2015 issue of STN. In this article, I provide a brief review of the concepts of hypothesis test and … [Read more...] about Why 0.05? Two Examples That Put Students in the Role of Decision-Maker
Helping Community College Math Instructors Teach Statistics Effectively
By Matt Teachout We are reaching a crisis at community colleges across the country. The number of STEM majors (science, technology, engineering, and mathematics) has dramatically decreased, while the number of non-STEM majors continues to rise. At my college alone, only about 30% of our students are STEM majors. The Problem Here is the problem as I see it: The … [Read more...] about Helping Community College Math Instructors Teach Statistics Effectively