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Activity: Median-Median Line
Go to: http://www.uni.uiuc.edu/~hcrussel/medmed.html (opens a new window)
Description: This is a student handout to accompany an Excel file in which students use a spreadsheet, and knowledge about the point-slope equation for a line, to develop the median-median line. They compare total absolute errors for a data set with an outlier, with both the median-median and the "least squares" line.
Technology Type: Excel 
Author: Craig Russell
Language: English 
Cost: Does not require payment for use

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Tool: MedMed
Courses: Probability & Statistics Scatterplots, Least-Squares Regression, Correlation & Regression