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The graphs below show the scores students in an advanced statistics course received for homework completed and for the subsequent midterm exam. Homework scores are based on assignments that preceded the exam. The maximum homework score a student could obtain was 500 and the maximum midterm score was 350. The original score for student 10 was 234 (the lowest) for the homework and 125 (the lowest) for the exam. After the student reviewed the exam, she discovered that only a third of the problems had been graded and she subsequently received a score of 348 (the highest). The scatterplots for the original scores and the revised scores are below. Original scores: 290 шеха 190 100 Revised scores: 350 150 100 Homework scores vs exam scores Iww Exam scores vs homework score observation (234, 125) corrected to (234348) Which of the following is true? 390 Iww The correlations for both the original and corrected scores are the same. The correlation for the original scores is higher. Correlation is not affected by changing some scores. The correlation for the revised scores is higher.

The graphs below show the scores students in an advanced statistics course received for homework completed and for the subsequent midterm exam. Homework scores are based on assignments that preceded the exam. The maximum homework score a student could obtain was 500 and the maximum midterm score was 350. The original score for student 10 was 234 (the lowest) for the homework and 125 (the lowest) for the exam. After the student reviewed the exam, she discovered that only a third of the problems had been graded and she subsequently received a score of 348 (the highest). The scatterplots for the original scores and the revised scores are below. Original scores: 290 шеха 190 100 Revised scores: 350 150 100 Homework scores vs exam scores Iww Exam scores vs homework score observation (234, 125) corrected to (234348) Which of the following is true? 390 Iww The correlations for both the original and corrected scores are the same. The correlation for the original scores is higher. Correlation is not affected by changing some scores. The correlation for the revised scores is higher.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The graphs below show the scores students in an advanced statistics course received for homework completed and for the subsequent midterm exam. Homework scores are based on assignments that preceded the exam. The maximum homework score a student could obtain was 500 and the maximum midterm score was 350. The original score for student 10 was 234 (the lowest) for the homework and 125 (the lowest) for the exam. After the student reviewed the exam, she discovered that only a third of the problems had been graded and she subsequently received a score of 348 (the highest). The scatterplots for the original scores and the revised scores are below. Original scores: 290 шеха 190 100 Revised scores: 350 150 100 Homework scores vs exam scores Iww Exam scores vs homework score observation (234, 125) corrected to (234348) Which of the following is true? 390 Iww The correlations for both the original and corrected scores are the same. The correlation for the original scores is higher. Correlation is not affected by changing some scores. The correlation for the revised scores is higher.
Transcribed Image Text:The graphs below show the scores students in an advanced statistics course received for homework completed and for the subsequent midterm exam. Homework scores are based on assignments that preceded the exam. The maximum homework score a student could obtain was 500 and the maximum midterm score was 350. The original score for student 10 was 234 (the lowest) for the homework and 125 (the lowest) for the exam. After the student reviewed the exam, she discovered that only a third of the problems had been graded and she subsequently received a score of 348 (the highest). The scatterplots for the original scores and the revised scores are below. Original scores: 290 шеха 190 100 Revised scores: 350 150 100 Homework scores vs exam scores Iww Exam scores vs homework score observation (234, 125) corrected to (234348) Which of the following is true? 390 Iww The correlations for both the original and corrected scores are the same. The correlation for the original scores is higher. Correlation is not affected by changing some scores. The correlation for the revised scores is higher.
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