Dr. Fred Myer has been appointed the chairperson of the Marketing Department at his university. In reviewing the department's cost records, Dr. Myer has found the following total cost associated with Marketing 101 over the last five terms: Number of Sections Offered 4 6 Term Fall, last year Winter, last year Summer, last year Fall, this year Winter, this year Total Cost $10,000 $14,000 $7,000 $13,000 $9,500 2 5 3 Dr. Myer knows that there are some variable costs, such as amounts paid to graduate assistants, associated with this course. He would like to have the variable and fixed costs separated for planning purposes. S. Based on the least squares regression method, what does the R-square mean? Does the R-square indicaa good correlation or bad correlation between the total cost and sections offered? Would you suggest investigating a new activity upon which total cost if driven? (5 points) 6. Which method is more accurate and why? (5 points)