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
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Making Sense of Data Visualizations: A Toolkit for Supporting Student Discussions
By Emily Thrasher, Hollylynne Lee, Bruce Graham, Matthew Grossman, Gemma Mojica, NC State University This paper explores a comprehensive framework to develop students’ data literacy by guiding them in making sense of complex data visualizations. With the growing complexity and prevalence of data visualizations in media, it’s crucial to equip students with the skills to … [Read more...] about Making Sense of Data Visualizations: A Toolkit for Supporting Student Discussions
Data Science in Secondary Grades: Exploring Our Communities Through Pictures
By Michelle Dueck, Heritage Christian School; Pedro Gallegos, APEX Academy Charter School; Rosa Pastor, LA Promise Charter Middle School; Alvaro Pineda, East Valley High School; and Anna Bargagliotti, Loyola Marymount University Today, data is more critical than ever. Often, data are collected automatically through devices throughout our daily lives. A big challenge in … [Read more...] about Data Science in Secondary Grades: Exploring Our Communities Through Pictures
Lesson Plan: If You Only Have One Hour … Teaching Statistical Inference to Youth
By Beth Chance, Elsa Medina, and Jacquelyn Silverbush, Cal Poly, San Luis Obispo Statistical inference is the science of drawing conclusions beyond observed sample data to a larger population or process. In a college statistics course, students learn about probability, confidence intervals, and p-values and apply these ideas to research studies. The article “Assessment of … [Read more...] about Lesson Plan: If You Only Have One Hour … Teaching Statistical Inference to Youth
Lesson Plan: Exploring Whether a Difference Is a Meaningful Difference
By Tim Jacobbe, Southern Methodist University; Chris Franklin, University of Georgia; Gary Kader, Appalachian State University; and Kaycie Maddox, Northeast Georgia Regional Educational Service Agency Overview of Lesson This investigation focuses on students conducting a comparative experiment to explore whether there are meaningful differences between the number of times … [Read more...] about Lesson Plan: Exploring Whether a Difference Is a Meaningful Difference
Lesson Plan: Using Photographs as Data Sources to Tell Stories About Our Favorite Outdoor Spaces
Pip Arnold, Sheri Johnson, and Leticia Perez all started with the same initial prompt: Use photographs as data. The result? Three lesson plans that show it is possible to take an idea and develop it to best suit the interests of your students and you. All three lessons are aimed at the grades 6–9. You may like to work with one lesson plan or pick elements of all three to use … [Read more...] about Lesson Plan: Using Photographs as Data Sources to Tell Stories About Our Favorite Outdoor Spaces
A Sampling Activity to Anchor Big Statistical Ideas
By Sandra Madden, University of Massachusetts - Amherst Have you ever gone looking for a highly productive and foolproof statistical reasoning task? In 2006, I designed a statistical sampling task for use in a professional development project. The intention was to showcase important statistical ideas, encourage conjecture and statistical argument, and illustrate the … [Read more...] about A Sampling Activity to Anchor Big Statistical Ideas
A Technology Twist on a Classic Statistics Lesson
By Shelly Sheats Harkness, Sarai Hedges, Kim Given In the lesson, “Alphabet Statistics,” described by Marilyn Burns in her 1987 book, A Collection of Math Lessons (from grades 3 through 6), students explore letter-of-the-alphabet frequency of usage in print material. Over the years, Shelly Sheats Harkness used an adaptation of this lesson several times with middle-school … [Read more...] about A Technology Twist on a Classic Statistics Lesson