Answer Happy

III. Solve the Exercises as per their requests Gilly's company has implemented several programs to improve its productivity. They have asked you to evaluate the firm's productivity by comparing this year's performance with last year's. The following data are available: You Your hapur 2,500 2,100 Lahend001,200 sties SO1250 2.000.000 The labor cost is 55 per labor hour. Measure Single Factor Productivity for all inputs? Compare them between the two years ..Measure Multifactor Productivity for each year. Were the modifications beneficial? 2 Weekly sales of ten-grain bread at the local organic food market are provided in the table below. Based on these data: Forecast week 9 using a four-week moving average ..Forecast week 9 using a four week weighted moving average (weights: 0.1, 0.2, 0.3, 0.4) Calculate MAD, MSE and MAPE for each forecast. Which model is more accurate? Week 1 2 3 4 5 6 7 8 Sales 415 389 420 382 410 432 425 421 A company provides the following data: Sales figures and advertising expenses for the stores are provided in the table below. Sales are given in millions of dollars, advertising expenses are in tens of thousands of dollars. a) Calculate a regression line for the data. b) What is your forecast of sales for a store with advertising spending of S250,000? S600,000? Sleder 11 23 16 14 13 13 1 116 10 11 14