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0.05

Why 0.05? Two Examples That Put Students in the Role of Decision-Maker

January 5, 2017

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

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Statistics Teacher (ST) is an online journal published by the American Statistical Association (ASA) – National Council of Teachers of Mathematics (NCTM) Joint Committee on Curriculum in Statistics and Probability for Grades K-12. ST supports the teaching and learning of statistics through education articles, lesson plans, announcements, professional development opportunities, technology, assessment, and classroom resources. Authors should use this form to submit articles or lesson plans.

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