MATH 533 Week 7 Course Project Part C Regression and Correlation Analysis

Running Head: Course Project Part C Regression Model MATH – Ans .1 Minitab Result Regression Analysis: Sales versus Calls Math 2 The regression equation is Sales = 9.638 + 0.2018 Calls 55 50 45 40 35 30 S 2.05708 R-Sq 75.9% R-Sq(adj) 75.7% Calls Sales Fitted LinePlot Sales= 9.638 + 0.2018 Calls It is evident with the help of scatter graph trend line that there is positive relationship between Sales and calls. If number of calls increases the sales also increase and vice versa. Ans. 2 With help of Minitab, the regression equation is mentioned below as: Minitab Result Regression Analysis: Sales versus Calls The regression equation is Sales = 9.638 + 0.2018 Calls Ans. 3 Math 3 The correlation coefficient between sales and calls is calculated as 0 .871. This is positive