Does random assignment always equally balance all the variables (except for the explanatory variable) between experimental groups?

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Does random assignment always equally balance all the variables (except for the explanatory variable) between experimental groups? Is there a tendency for there to be a balance? Explain.

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Introduction To Statistical Investigations

ISBN: 9781118172148

1st Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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Question Posted: Jun 20, 2018 06:07 AM

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Does random assignment always equally balance all the variables (except for the explanatory variable) between experimental groups?

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No not always On average random assignment ...View the full answer

Introduction To Statistical Investigations

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