point) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or er performance on the verbal ability test administered before college entrance. The verbal scores and final grades for 10 students are shown in e table below. Student 1 2 3 456 789 10 Score 50 44 38 44 31 37 26 38 51 63 Grade 7389 89 64 75 98 92 75 97 63 Find the following: (a) The correlation coefficient: r = (b) The least squares line: y (c) The predicted grade for the eighth student: (d) The residual for the eighth student:

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Chapter 12: Problém 11
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(1 point) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or
her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for 10 students are shown in
the table beloW.
Student 1 23456789 10
Score 50 4438 44 31 37 26 38 51 63
Grade 73 89 89 64 75 98 92 75 97 63
Find the following:
(a) The correlation coefficient: r =
(b) The least squares line: y =
(C) The predicted grade for the eighth student:
(d) The residual for the eighth student:
Note: You can earn partial credit on this problem.
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Transcribed Image Text:Chapter 12: Problém 11 Previous Problem Problem List Next Problem (1 point) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for 10 students are shown in the table beloW. Student 1 23456789 10 Score 50 4438 44 31 37 26 38 51 63 Grade 73 89 89 64 75 98 92 75 97 63 Find the following: (a) The correlation coefficient: r = (b) The least squares line: y = (C) The predicted grade for the eighth student: (d) The residual for the eighth student: Note: You can earn partial credit on this problem. Preview My Answers Submit Answers ort sc delete home Turm 80 backspace lock T U P G K enter pause esned alt ctri
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