2) During a 6 weeks period, a Quick Sell dealer kept a weekly record of the number x of TV ads versus the number y of cars sold. The result is given in the following table: 8. 2 15 12 18 Y 14 12 10 17 18 20 a) Draw a scatter-plot diagram. Remember to name the axes. b) Based on the scatter-plot diagram, would you estimate the correlation coefficient to be positive, close to zero, or negative? c) Use your calculator to find the coefficient of regression and the equation of best fit. Coefficient of Regression r Equation of the line of best fit

2) During a 6 weeks period, a Quick Sell dealer kept a weekly record of the number x of TV ads versus the number y of cars sold. The result is given in the following table: 8. 2 15 12 18 Y 14 12 10 17 18 20 a) Draw a scatter-plot diagram. Remember to name the axes. b) Based on the scatter-plot diagram, would you estimate the correlation coefficient to be positive, close to zero, or negative? c) Use your calculator to find the coefficient of regression and the equation of best fit. Coefficient of Regression r Equation of the line of best fit

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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