The x values in the accompanying table below represent the number of petrol pumps operated by seven different petrol stations. The y values represent the number of litres, that each of these petrol stations sell in a day. Number of pumps, x Number of litres, y 2 3 4 5 7 1 3 5 8 11 12 (a) Find the regression line of y on x using the least squares method. (b) What would be the number of litres, y if the number of pumps, x is 10? (c) Calculate the Pearson's product moment correlation coefficient, r (d) Find the coefficient of determination.
The x values in the accompanying table below represent the number of petrol pumps operated by seven different petrol stations. The y values represent the number of litres, that each of these petrol stations sell in a day. Number of pumps, x Number of litres, y 2 3 4 5 7 1 3 5 8 11 12 (a) Find the regression line of y on x using the least squares method. (b) What would be the number of litres, y if the number of pumps, x is 10? (c) Calculate the Pearson's product moment correlation coefficient, r (d) Find the coefficient of determination.
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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