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Q4. Dr. Ahmad has noticed many of his students have been absent from class this semester. He feels that he can explain this sluggish attendance by the distance his students live from campus. Eleven students are selected as to how many miles they must travel to attend class and the number of classes they have missed. Miles, x 5 6 2 0 9 12 16 5 7 0 8 Misses, y 2 2 4 5 4 2 5 2 3 1 4

Q4. Dr. Ahmad has noticed many of his students have been absent from class this semester. He feels that he can explain this sluggish attendance by the distance his students live from campus. Eleven students are selected as to how many miles they must travel to attend class and the number of classes they have missed. Miles, x 5 6 2 0 9 12 16 5 7 0 8 Misses, y 2 2 4 5 4 2 5 2 3 1 4

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 9CA
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Q4. Dr. Ahmad has noticed many of his students have been absent from class this semester. He feels that he can explain this sluggish attendance by the distance his students live from campus. Eleven students are selected as to how many miles they must travel to attend class and the number of classes they have missed. Miles, x 5 6 2 0 9 12 16 5 7 0 8 Misses, y 2 2 4 5 4 2 5 2 3 1 4 (a) Draw a scatter plot for the variable given in the table. (b) Then find the regression line using the least squares method. Then estimate the number of class a student will misses when he or she lives 15 miles from campus. (c) Find and interpret the coefficient of determination. (d) Find and interpret the Pearson correlation coefficient.
Transcribed Image Text:Q4. Dr. Ahmad has noticed many of his students have been absent from class this semester. He feels that he can explain this sluggish attendance by the distance his students live from campus. Eleven students are selected as to how many miles they must travel to attend class and the number of classes they have missed. Miles, x 5 6 2 0 9 12 16 5 7 0 8 Misses, y 2 2 4 5 4 2 5 2 3 1 4 (a) Draw a scatter plot for the variable given in the table. (b) Then find the regression line using the least squares method. Then estimate the number of class a student will misses when he or she lives 15 miles from campus. (c) Find and interpret the coefficient of determination. (d) Find and interpret the Pearson correlation coefficient.
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