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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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Please give me the answer A,b and c question
independent variables. SUMMARY OUTPUT Regression Statistics Multiple R 0.857 R Square 0.734 Adjusted R Square 0.703 Standard Error 5.366 Observations 20 ANOVA Significance F 23.46 df SS MS Regression 2 1350.76 675.38 0.00 Residual 17 489.44 28.79 Total 19 1840.20 Lower 95% Upper 95% 73.61 Coefficients Standard Error t Stat P-value Intercept 67.67 2.82 24.03 0.00 61.73 hours 5.56 0.90 6.18 0.00 3.66 7.45 prep_exams -0.60 0.91 -0.66 0.52 -2.53 1.33 a. What is the value of r?? What is the practical meaning of this value? b. What is the coefficient of Hours? Interpret this value D QUARTER, SY2021-2022 GED 102-1 C. What is the coefficient of Prep Exam? Interpret this value.
Transcribed Image Text:independent variables. SUMMARY OUTPUT Regression Statistics Multiple R 0.857 R Square 0.734 Adjusted R Square 0.703 Standard Error 5.366 Observations 20 ANOVA Significance F 23.46 df SS MS Regression 2 1350.76 675.38 0.00 Residual 17 489.44 28.79 Total 19 1840.20 Lower 95% Upper 95% 73.61 Coefficients Standard Error t Stat P-value Intercept 67.67 2.82 24.03 0.00 61.73 hours 5.56 0.90 6.18 0.00 3.66 7.45 prep_exams -0.60 0.91 -0.66 0.52 -2.53 1.33 a. What is the value of r?? What is the practical meaning of this value? b. What is the coefficient of Hours? Interpret this value D QUARTER, SY2021-2022 GED 102-1 C. What is the coefficient of Prep Exam? Interpret this value.
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