Do college professors who use a red pen to grade student essays tend to assign lower scores,

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Do college professors who use a red pen to grade student essays tend to assign lower scores, on average, than professors who use a blue pen to grade student essays? Describe how you could design a randomized experiment to investigate this question.

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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 21, 2018 12:58 AM

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Do college professors who use a red pen to grade student essays tend to assign lower scores,

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