All Greens is a franchise store that sells house plants and lawn and garden supplies. Although All Greens is a franchise, each store is owned and managed by private individuals. Some friends have asked you to go into business with them to open a new All Greens store in the suburbs of San Diego. The national franchise headquarters sent you the following information at your request. These data are about 27 All Greens stores in California. Each of the 27 stores has been doing very well, and you would like to use the information to help set up your own new store. The variables for which we have data are detailed below. x1 = annual net sales, in thousands of dollars x2 = number of square feet of floor display in store, in thousands of square feet x3 = value of store inventory, in thousands of dollars x4 = amount spent on local advertising, in thousands of dollars x5 = size of sales district, in thousands of families x6 = number of competing or similar stores in sales district A sales district was defined to be the region within a 5 mile radius of an All Greens store. x1 x2 x3 x4 x5 x6 231 3 294 8.2 8.2 11 156 2.2 232 6.9 4.1 12 10 0.5 149 3 4.3 15 519 5.5 600 12 16.1 1 437 4.4 567 10.6 14.1 5 487 4.8 571 11.8 12.7 4 299 3.1 512 8.1 10.1 10 195 2.5 347 7.7 8.4 12 20 1.2 212 3.3 2.1 15 68 0.6 102 4.9 4.7 8 570 5.4 788 17.4 12.3 1 428 4.2 577 10.5 14.0 7 464 4.7 535 11.3 15.0 3 15 0.6 163 2.5 2.5 14 65 1.2 168 4.7 3.3 11 98 1.6 151 4.6 2.7 10 398 4.3 342 5.5 16.0 4 161 2.6 196 7.2 6.3 13 397 3.8 453 10.4 13.9 7 497 5.3 518 11.5 16.3 1 528 5.6 615 12.3 16.0 0 99 0.8 278 2.8 6.5 14 0.5 1.1 142 3.1 1.6 12 347 3.6 461 9.6 11.3 6 341 3.5 382 9.8 11.5 5 507 5.1 590 12.0 15.7 0 400 8.6 517 7.0 12.0 8 (a) Generate summary statistics, including the mean and standard deviation of each variable. Compute the coefficient of variation for each variable. (Use 2 decimal places.) x s CV x1 % x2 % x3 % x4 % x5 % x6 %