A study is designed to test the effect of light level on exam performance of students. The
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A study is designed to test the effect of light level on exam performance of students. The researcher believes that light levels might have different e ects on males and females, so wants to make sure both are equally represented in each treatment. The treatments are uorescent overhead lighting, yellow overhead lighting, no overhead lighting (only desk lamps).
(a) What is the response variable?
(b) What is the explanatory variable? What are its levels?
(c) What is the blocking variable? What are its levels?
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a The response variable in this study is the exam performance of students It ...View the full answer
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Related Book For 
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr
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