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This edition: Contrast: Comparing Means

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Episode Details

This lesson's video program explains how to proceed once an ANOVA test has revealed that there is a difference among the means of three or more groups The program expands on the previous lesson regarding one-way ANOVA to show you what statisticians do with the data from a significant ANOVA F test when they want to know how the means compare to each other in both direction and significance. The real life examples in this video illustrate how the means are compared in pairs using a powerful statistical method. This analysis allows scientists to draw some valuable conclusions.

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