Suppose we wish to test for difference in population means among three groups. a. Explain why it

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Suppose we wish to test for difference in population means among three groups.

a. Explain why it is not sufficient to simply look at the differences among the sample means, without taking into account the variability within each group.

b. Describe what we mean by between-sample variability and within-sample variability.

c. Which statistics measure the concepts in (b).

d. Explain how analysis of variance would work in this situation.

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Discovering Knowledge In Data An Introduction To Data Mining

ISBN: 9780470908747

2nd Edition

Authors: Daniel T. Larose, Chantal D. Larose

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Question Posted: Nov 30, 2023 03:15 AM

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Suppose we wish to test for difference in population means among three groups. a. Explain why it

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a It is not sufficient to simply look at the differences among the sample means because looking at the differences alone does not take into account th...View the full answer

Discovering Knowledge In Data An Introduction To Data Mining

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