Many fast-food restaurants have soft drink dispensers with preset amounts,so that when the operator merely pushes a button for the desired drink the cup is automaticallylled.This method apparently saves time and seems to increase worker productivity. To test this conclusionr a business analyst randomly selects 18 workers from the fast-food industry, 9 from a restaurant with automatic soft drink dispensers and 9 from a comparable restaurant with manual soft drink dispensers.The samples are independent. During a comparable hour,the amount ofsales rung up bythe worker is recorded.Assume that a: = .01 and that attest is not appropriate. Test whether workers with automatic dispensers are signicantly more productive (higher sales per hourl. Automatic Dispenser Manual Dispenser $153 128 143 110 152 168 144 137 118 Find the p value. [Round the answerta 4 decimal places, as. 0.5475.) $105 118 129 114 125 117 106 92 126 Appendix AStatistical Tables