Texas Instruments
Texas Instruments: Exploring the Centroid of a Triangle
In this activity, students investigate what happens when all three medians of a triangle are drawn. They learn how to locate the centroid. [Requires Adobe Reader.]
Texas Instruments
Texas Instruments: Math Today Dangerous Births
In this activity, using the USA TODAY Snapshot "Dangerous births" students will explore the geometric relationships of triangles using perpendicular bisectors of the sides, bisectors of the angles and medians of the triangle. They will...
Other
Tulpehocken Area School District: Graphing and Analyzing Scientific Data
Student worksheet with explanation of pie, bar, and line graphs, the parts of a graph, and the definition of mean, median, and mode. This summary is followed by an exercise for each type of graph within a scientific context.
US Census Bureau
United States Census Bureau: Census Blog: Income vs Earnings
This page explains the difference between income and earnings. Discusses median income and gender differences.
BBC
Bbc: Bitesize: Rectilinear Shapes
Find the gradient, equations and intersections of medians, altitudes and perpendicular bisectors using our knowledge of the mid-point as well as parallel and perpendicular lines.
Texas Instruments
Texas Instruments: Measures of Central Tendency
Mean, median, and mode are measures of central tendency in data analysis. Each can be used to identify central tendency. Box-and-whiskers plots are a visual representation of collected data involving medians.
Texas Instruments
Texas Instruments: Finding Linear Models
Students graph a scatter plot, find average rate of change, develop a linear model, find a linear regression and a median/median line for a set of data graphed in a scatter plot and predict profit.
Shodor Education Foundation
Shodor Interactivate: Skew Distribution
Change the median and standard deviation of an automatically generated normal distribution to create a skewed distribution, allowing you to observe properties like what it means for the mean, median, and mode to be different.
Concord Consortium
Seeing Math: Plop It
Plop It! lets you experiment with the concepts of mean, median, and mode (measures of center). You see the differences among them on a bar graph, as you add or remove blocks to an axis with a given range.
AAA Math
Aaa Math: Central Tendencies Notes
A complete description of mean, median and mode. Interactive games and practice exercises are included.
Texas Instruments
Texas Instruments: Math Today Humidity Makes Air Feel Even Hotter
Students note the range of heat indexes on the overall data as well as specific humidity levels and air temperatures. They find the mean and median of the ranges and calculate apparent temperatures for specific scenarios.
Texas Instruments
Texas Instruments: Create Box and Whisker Plots
Students use a graphing calculator to create box-and-whisker plots and learn the usefulness of them. Students identify the five summary statistical values of data sets - minimum, first quartile, median, third quartile, and maximum values.
Texas Instruments
Texas Instruments: How Far to Your Birthplace
Examine one-variable data analysis through the creation and exploration of a birth place data set. Graphing calculators are used to analyze the data through mean, median, mode, maximum, minimum, stem-and-leaf plots and box-and-whisker...
Texas Instruments
Texas Instruments: Simple Constructions
In this skill activity, students can use the Constructions Tools Menu in Cabri Jr. to contruct a parallelogram. They will also construct an altitude, an angle bisector and a median of a triangle.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Measures of Central Tendency
Students learn about measures of central tendency. Topics explored are mean, median, mode, and expected value. The tutorial investigates the statistics concepts through class notes and examples. Review exercises and a chapter quiz are...
Rice University
Hyper Stat Online Statistics Textbook: Central Tendency
Click on mean, median, mode, trimean, or trimmed mean to review central tendency.
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