Does deodorant sell better in a box or without additional packaging? An experiment in a large store is designed in which, for one month, all deodorants are sold packaged in a box and, during a second month, all deodorants are removed from the box and sold without packaging. Is there a significant difference in the number of units of deodorant sold with and without the additional packaging?

Does deodorant sell better in a box or without additional packaging? An experiment in a large store is designed in which, for one month, all deodorants are sold packaged in a box and, during a second month, all deod ora nts are removed from the box and sold without packaging. Is there a signicant difference in the number of units of deodorant sold with and without the additional packaging? Let (I = .05. Deodorant 1 10' 1'1 12 13 14 15 16 [Round the intermediate rains and nal mama-Ito 2 decimal places, 9.3. 135.} Observed z = I Box 198 '10? 92 105 60 45 25 68 '161 108 89 123 34 68 59 3'8 No Box 175 112 94 8? 51 49 11 42 165 82 94 13'}I 4? 55 150 52 Appendix A Statistical Tables