please help with 3-7

Leslie Sporting Goods is a locally owned store that specializes in printing team jerseys. The majority of its business comes from orders for various local teams and organizations. While Leslie's prints everything from bowling team jerseys to fraternity/sorority apparel to special event shirts, summer league baseball and softball team jerseys are the company's biggest source of revenue. A portion of Leslie's operating Information for the company's last year follows: Number of Month Jerseys Printed January 200 February 205 March 575 April 680 May 625 June 410 July 390 August 230 September 180 October 305 November 235 December 190 Operating Cost $5,735 5,830 8,690 9,800 9,275 6,230 6,140 5,940 4,810 6,005 5,960 4,955 Required: 3. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey, 4. Using the high-low method results, calculate the store's expected operating cost if it printed 455 jerseys 5. Perform a least-squares regression analysis on Leslie's data. 6. Using the regression output, create a linear equation (y = a + bx) for estimating Leslie's operating costs. 7. Using the least-squares regression results, calculate the store's expected operating cost if it prints 600 jerseys Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Required 6 Required 7 Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per tersey (a mot Required 3 Required 4 Required 5 Required 6 Required 7 Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey. (Do not round your intermediate calculations. Round your "Variable Cost" answer to 2 decimal places and "Fixed Cost" answer to the nearest whole number) Variable Cost per Jersey Fixed Cost Month January February March April May June July August September October November December Jerney Printed 200 205 575 680 625 410 390 230 180 305 235 190 Cost $5,735 5,830 8,690 9,800 9,275 6,230 6,140 5,940 4,810 6.005 5,960 4,955 Required: 3. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey 4. Using the high-low method results, calculate the store's expected operating cost if it printed 455 jerseys. 5. Perform a least-squares regression analysis on Leslie's data 6. Using the regression output, create a linear equation (y = a + bx) for estimating Leslie's operating costs. 7. Using the least squares regression results, calculate the store's expected operating cost if it prints 600 jerseys. Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Required 6 Required 7 Using the high-low method results, calculate the store's expected operating cost if it printed 455 jerseys. (Do not round your intermediate calculations. Round your answer to the nearest whole number) Total Cost Month January February March April May June July August September October November December Jerseys Printed 200 205 575 680 625 410 390 230 180 305 Cost $5,735 5,830 8,690 9,800 9,275 6,230 6,140 5,940 4,810 6,005 5,960 4,955 235 190 Required: 3. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey 4. Using the high-low method results, calculate the store's expected operating cost if it printed 455 jerseys. 5. Perform a least-squares regression analysis on Leslie's data. 6. Using the regression output, create a linear equation (y = 3 + bx) for estimating Leslie's operating costs. 7. Using the least-squares regression results, calculate the store's expected operating cost if it prints 600 jerseys. Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Required 6 Required 7 Perform a least-squares regression analysis on Leslie's data. (Use Microsoft Excel or a statistical package to find the coefficients using least-squares regression. Round your answers to 2 decimal places.) Coofficients Intercept X Variable 1 Month Jerseys Printed January 200 February 205 March 575 April 680 May 625 June 410 July 390 August 230 September 180 October 305 November 235 December 190 Cost $5,735 5,830 8,690 9,800 9.275 6,230 6,140 5.940 4,810 6.005 5,960 4,955 Required: 3. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey 4. Using the high-low method results, calculate the store's expected operating cost if it printed 455 jerseys 5. Perform a least squares regression analysis on Leslie's data. 6. Using the regression output, create a linear equation (y + bx) for estimating Leslie's operating costs. 7. Using the least-squares regression results, calculate the store's expected operating cost if it prints 600 jerseys. Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Required 6 Required 7 Using the regression output, create a linear equation (y = + bx) for estimating Leslie's operating costs. (Round your answers to 2 decimal places) Total Cost (Number of Jerseys) Jersey printed 200 205 575 680 625 Month January Tebruary March April May June July August September October November December 410 390 230 180 305 Cost $5,735 5.830 3,690 9,800 9.275 6,230 6,140 5,940 4,810 6,005 5,960 4,955 235 190 Required: 3. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey 4. Using the high-low method results, calculate the store's expected operating cost if it printed 455 jerseys 5. Perform a least squares regression analysis on Leslie's data 6. Using the regression output, create a linear equation (y = a + b) for estimating Leslie's operating costs. 7. Using the least squares regression results, calculate the store's expected operating cost ir it prints 600 jerseys Complete this question by entering your answers in the tabs below. Required Required 4 Required 5 Required 6 Required Using the least squares regression results, calculate the store's expected operating cost if it prints 600 jerseys (Round your intermediate calculations and final answer to 2 decimal places) Total Coil