The following data shows the average monthly Expenditure (X) in thousands of Ghana cedis and Sales (Y) in thousands of Ghana cedis for 12 different spare parts stores in the Abbosey Okai Spare Parts Lane at Abbosey Okai in the Greater Accra Region of Ghana. Stores A в |сDEF G H I к X 46 57 39 116 62 77 41 61 15 53 68 Y 78 102 66 214 98 72 98 134 21 67 95 a) Plot a scatter diagram for this data on the graph sheet provided. b) Draw the line of the best fit for this data. c) Find the Regression equation from the scatter diagram plotted. d) Find the Regression Equation again by means of computation to confirm your results in (c) above and after that comment on your results. e) Calculate the coefficient of Correlation to show the strength and direction of the relationship. Give the full interpretation of your results.
The following data shows the average monthly Expenditure (X) in thousands of Ghana cedis and Sales (Y) in thousands of Ghana cedis for 12 different spare parts stores in the Abbosey Okai Spare Parts Lane at Abbosey Okai in the Greater Accra Region of Ghana. Stores A в |сDEF G H I к X 46 57 39 116 62 77 41 61 15 53 68 Y 78 102 66 214 98 72 98 134 21 67 95 a) Plot a scatter diagram for this data on the graph sheet provided. b) Draw the line of the best fit for this data. c) Find the Regression equation from the scatter diagram plotted. d) Find the Regression Equation again by means of computation to confirm your results in (c) above and after that comment on your results. e) Calculate the coefficient of Correlation to show the strength and direction of the relationship. Give the full interpretation of your results.
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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