By Jon Hasenbank and John Appiah Kubi, Grand Valley State University This article introduces a method for identifying statistically meaningful differences between two data sets using the mean absolute deviation, known as MAD and a measure of variability taught in middle school curricula under the Common Core State Standards, which parallel the recommendations of the Pre-K-12 … [Read more...] about How MAD Must We Be? A Robust Test for Identifying Meaningful Differences Using the Mean Absolute Deviation
Pre-K-12 GAISE
ASA/NCTM Joint Committee Members Share Favorite Resources
By Angela Walmsley, Mine Dogucu, Susan A. Peters, and Hollylynne Lee Preparing Pre-K–12 Teachers to Teach Statistics I often hear high school teachers tell me they never took a statistics class while earning their undergraduate degree. When they are approached by their high school principal to teach a statistics class, they sometimes aren't sure where to start. I hear the … [Read more...] about ASA/NCTM Joint Committee Members Share Favorite Resources
Lesson Plan: The Mean and Variability from the Mean
The Pre-K-12 GAISE report emphasizes that students should be able to do more than just calculate summary statistics; they need conceptual understanding of those statistics that deepens as they progress through different levels of statistical literacy (Levels A, B, and C). The purpose of this activity is to develop students’ conceptual understanding of numerical summaries used … [Read more...] about Lesson Plan: The Mean and Variability from the Mean