19 subjects take part in a math exam, followed by an intervention and a post-test. From their...

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19 subjects take part in a math exam, followed by an intervention and a post-test. From their pre-test/post-test difference scores, there was a mean difference of 13.19, with a standard deviation of 22.3.

Calculate the 95% confidence interval of the difference.

Related Book For answer-question

Discovering Advanced Algebra An Investigative Approach

ISBN: 978-1559539845

1st edition

Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke

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Posted Date: Apr 03, 2020 08:39 AM

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19 subjects take part in a math exam, followed by an intervention and a post-test. From their...

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Discovering Advanced Algebra An Investigative Approach

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