This investigation was originally published in Bridging the Gap Between Common Core State Standards and Teaching Statistics by Pat Hopfensperger, Tim Jacobbe, Deborah Lurie, and Jerry Moreno. (Grade 8 – Common Core State Standard 8.SP.1) The focus of this investigation is to look for and measure the degree of any relationship between two quantitative variables, specifically … [Read more...] about Lesson Plan: How Tall Were the Ancestors of Laetoli?
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Lesson Plan: EllipSeeIt—Visualizing Strength and Direction of Correlation
By Miguel Olvera and Rafael Diaz (Grades 6–12+) Originally published in February 2017, this lesson focuses on correlation as a way of measuring the strength and direction of a linear association between two numerical variables. After reviewing concepts of bivariate data sets, their graphical representations through scatterplots, and the meaning of a linear association, … [Read more...] about Lesson Plan: EllipSeeIt—Visualizing Strength and Direction of Correlation