Bivariate data. When y depends on x
Description
This program demonstrates how "qualitative" bivariate data can be visualized by using a modification of the simple Bar Chart. Quantitative data is dealt with by developing the Dot Plot into the Scatter Diagram, which allows any correlation to show itself in a linear relation. The program explains how this correlation can be modeled by calculating a "Line of Best Fit," how to calculate 95% Confidence Bands, and how to calculate a summary measure for any correlation called the Correlation Coefficient. Finally, the program explains how to deal with data that indicates a curved Line of Best Fit by either finding a way of re-plotting to provide a linear correlation or, alternatively, how to calculate a curved Line of Best Fit.
Runtime
20 min
Series
- Why Use Statistics? (4)
- The Cambridge Educational Core Curriculum Video Libraries (90)
- Mathematics Core Curriculum Video Library (19)
Subjects
Genre
Date of Publication
[2005], c1996
Database
Films on Demand
Direct Link
https://www.remote.uwosh.edu/login?url=https://fod.infobase.com/PortalPlaylists.aspx?wID=102638&xtid=6141
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