An English professor wants to know if a reading program improves the speed at which children read.

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An English professor wants to know if a reading program improves the speed at which children read. He gives them a reading exam before and after the program which measures the time needed to read a certain passage.

He wants to know whether or not students' times decrease due to the program.

What is the explanatory variable in this study?

Related Book For answer-question

Essentials of Business Statistics Communicating With Numbers

ISBN: 978-0078020544

1st edition

Authors: Sanjiv Jaggia, Alison Kelly

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Posted Date: Aug 17, 2021 02:09 PM

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An English professor wants to know if a reading program improves the speed at which children read.

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A paired ttest should be used because it concerns analyzing and reviewing two diff... View the full answer

Essentials of Business Statistics Communicating With Numbers

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