(2 points) There are three different ways I can go to work in the morning. I want to see if there is a difference in the distributions of travel-times between the three different ways. The sample data is depicted below. I claim there is a difference in mean travel times between the three different routes. I cannot guarantee that the distributions of these travel times are Normal. Travel Time in Minutes Interstate 23 21 22 19 22 22 Route 15 21 19 22 22 Back Roads 22 20 19 18 21 (a) Enter the rank values in the same order as in the original sample. Interstate Route 15 Back Roads (b) Give the value of the test statistic: (c) Test my claim at the 2.5% significance level. Enter the critical value: There is sufficient evidence to conclude that the population means are not equal. O Yes O No (d) Does your conclusion change at the 10% significance level? O Yes O No