Problem 4 8.0 points possible (graded, results hidden) A departmental store has the following sales for a period of last

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Problem 4 8 0 Points Possible Graded Results Hidden A Departmental Store Has The Following Sales For A Period Of Last 1 (44.47 KiB) Viewed 78 times

Problem 4 8.0 points possible (graded, results hidden) A departmental store has the following sales for a period of last one year of 8 salesmen, who have different years of education. Years of Education 8 10 10 12 14. 16 5 7 Annual Sales (Thousand Tk.) 100 120 80 100 80 100 70 130 a. Determine the correlation coefficient r between the two variables. Answer rounded to at least 4 decimal places. b. Determine the slope coefficient B, for the regression of annual sales on years of education. Answer rounded to at least 4 decimal places. c. Determine the y-intercept Bo for the regression of annual sales on years of education. Answer rounded to at least 4 decimal places. d. What will be the annual sales when the years of education is 11 (years)? Answer rounded to at least 4 decimal places. Thousand Tk.