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An Instructor teaching three sections of vering the same material. She has made ction, but she suspects that one of the o. She decides to conduct an experime

An Instructor teaching three sections of vering the same material. She has made ction, but she suspects that one of the o. She decides to conduct an experime

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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6. An Instructor teaching three sections of Introductory Psychology, each section covering the same material. She has made up a different final exam for each section, but she suspects that one of the versions is more difficult than other two. She decides to conduct an experiment to evaluate the difficulty of the exams. During the review period, just before finals, she randomly selects five volunteers for each class. Class 1 volunteers are given version 1 of the exams, Class 2 volunteers get version 2, and Class 3 volunteers receive version 3. Of course, all volunteers are sworn not to reveal any of the exam questions and also, of course, all of the volunteers will receive different final exam from the one they took in the experiment. The following are the results. Does this study suffice the assumptions in employing One way anova in interpreting the results. Explain why or why not? Exam version 1 Exam Version 2 Exam Version 3 70 95 88 92 75 76 85 81 84 83 83 93 78 72 77
Transcribed Image Text:6. An Instructor teaching three sections of Introductory Psychology, each section covering the same material. She has made up a different final exam for each section, but she suspects that one of the versions is more difficult than other two. She decides to conduct an experiment to evaluate the difficulty of the exams. During the review period, just before finals, she randomly selects five volunteers for each class. Class 1 volunteers are given version 1 of the exams, Class 2 volunteers get version 2, and Class 3 volunteers receive version 3. Of course, all volunteers are sworn not to reveal any of the exam questions and also, of course, all of the volunteers will receive different final exam from the one they took in the experiment. The following are the results. Does this study suffice the assumptions in employing One way anova in interpreting the results. Explain why or why not? Exam version 1 Exam Version 2 Exam Version 3 70 95 88 92 75 76 85 81 84 83 83 93 78 72 77
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