M10-Assignment

1. A hotel manager looks to improve the time it takes to deliver a guest's luggage to the room after check-in. A random sample of 20 deliveries on a particular day were selected in Wing A of the hotel, and a random sample of 20 deliveries were selected in Wing B. The results are shown in M8-Assignment.xlsx.
2. At the 0.01 level of significance, is there a difference between the mean delivery times in the two wings of the hotel? State the null and alternative hypotheses.

Wing A (minutes) Wing B (minutes) 11 8.14 10.04 6.3 11.66 10.32 8.7 7.93 9.28 7.12 12.11 8.01 8.38 9.3 9.96 7.67 13.16 7.91 8.93 5.98 9.16 8.87 10.55 10.46 10.38 9.26 10.94 4.35 8.64 10.06 11.97 9.26 10.21 8.37 9.26 5.46 12.72 11.65 9.97 6.2