The two scatterplots below show the relationship between final and mid-semester exam grades recorded during several years

Question:

The two scatterplots below show the relationship between final and mid-semester exam grades recorded during several years for a Statistics course at a university.

(a) Based on these graphs, which of the two exams has the strongest correlation with the final exam grade? Explain.

(b) Can you think of a reason why the correlation between the exam you chose in part (a) and the final exam is higher?

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Related Book For answer-question

OpenIntro Statistics

ISBN: 9781943450077

4th Edition

Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr

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Question Posted: Jul 20, 2023 08:44 AM

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The two scatterplots below show the relationship between final and mid-semester exam grades recorded during several years

Question:

Final Exam 100 60- 40- 1 40 ● 60 Exam 1 80 100 Final Exam 100- 80- 60- 40 40 60 Exam 2 80 100

Step by Step Answer:

a To determine which of the two exams shows the strongest correlation with the final exam grade we need to look at how tightly the points in the scatt...View the full answer

OpenIntro Statistics

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