Films for the Humanities and Sciences - Bivariate Data: When y Depends on x

Bivariate Data: When y Depends on x

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. (20 minutes)

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Item#: BVL6141
Copyright date: ©1996
VHS ISBN 978-0-7365-0278-8
DVD ISBN 978-1-4213-9572-2

Part of the Series : Why Use Statistics?


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