Use the following information to calculate your answers to questions 13 through 23. The marketing department of a company has designed three different boxes for its product. It wants to determine which box will produce the largest amount of sales. Each box will be test marketed in five different stores for a period of a month. Information on sales is provided below. Store 1 Store 2 Store 3 Store 4 Store 5 Box 1 210 230 190 180 190 Box 2 195 170 200 190 193 Box 3 295 275 290 275 265 The F statistic is Select one: a. 48.4 b. 8.65 c. 24.7 d. 69.38