CK-12 Foundation
Ck 12: Statistics: Stem and Leaf Plots Grade 7
[Free Registration/Login may be required to access all resource tools.] Draw and use stem-and-leaf plots to display and organize data.
CK-12 Foundation
Ck 12: Measures of Central Tendency and Dispersion Grade 8
[Free Registration/Login may be required to access all resource tools.] Find the mean, median, mode and range of a data set.
AAA Math
Aaa Math: Central Tendencies Notes
A complete description of mean, median and mode. Interactive games and practice exercises are included.
Better Lesson
Better Lesson: What Does the Data Tell Us? Describing Data
Understanding how to interpret data by its shape, spread, and center helps students to understand statistics.
University of Texas
Inside Mathematics: Baseball Players [Pdf]
This task challenges students to demonstrate understanding of the concept of measure of center.
Beacon Learning Center
Beacon Learning Center: All That Data 2
Students describe graphs and explore range, measures of central tendency, and distribution in this interactive web lesson.
Education Place
Houghton Mifflin: Eduplace: Math Steps: What Is It? Data
This is a great place for lesson information on the concept of analyzing data - measures of central tendency. Three other tabs are available besides the "What Is It?" link. Tips and Tricks, When Students Ask, and Lesson Ideas also...