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C. The following table shows the mileage and selling prices of eight used cars of the same model Mileage Price 21,000 $16,000 34,000 $11,000 41,000 $13,000 43,000 $14,000 65,000 $10,000 72,000 $12,000 76,000 $7,000 84,000 $7,000 (i) Construct the linear equation that best fit and interpret the result.

C. The following table shows the mileage and selling prices of eight used cars of the same model Mileage Price 21,000 $16,000 34,000 $11,000 41,000 $13,000 43,000 $14,000 65,000 $10,000 72,000 $12,000 76,000 $7,000 84,000 $7,000 (i) Construct the linear equation that best fit and interpret the result.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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QUESTION SEVEN A. Define correlation between two variables and explain how to interpret different values of r. B. The following table shows the number of hours six students studied for a final exam and there final scores. Hours Exam score 3 86 95 4 92 83 2 78 3 82 (i) Calculate the correlation coefficient between hours studied and exam score. (ii) Test the significance of the correlation coefficient between hours studied and exam score using a=0.05. C. The following table shows the mileage and selling prices of eight used cars of the same model Mileage Price 21,000 $16,000 34,000 $11,000 41,000 $13,000 43,000 $14,000 65,000 $10,000 72,000 $12,000 76,000 $7,000 84,000 $7,000 (i) Construct the linear equation that best fit and interpret the result.
Transcribed Image Text:QUESTION SEVEN A. Define correlation between two variables and explain how to interpret different values of r. B. The following table shows the number of hours six students studied for a final exam and there final scores. Hours Exam score 3 86 95 4 92 83 2 78 3 82 (i) Calculate the correlation coefficient between hours studied and exam score. (ii) Test the significance of the correlation coefficient between hours studied and exam score using a=0.05. C. The following table shows the mileage and selling prices of eight used cars of the same model Mileage Price 21,000 $16,000 34,000 $11,000 41,000 $13,000 43,000 $14,000 65,000 $10,000 72,000 $12,000 76,000 $7,000 84,000 $7,000 (i) Construct the linear equation that best fit and interpret the result.
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