Managers of a sports arena's parking garage keep track of the duration of time customers park their cars in the garage. Shown in the stem-and-leaf display below is a sample of such parking durations (in minutes). For this sample, 17 of the durations were from weekday use of the garage, and 20 were from weekend use. Answer the questions that follow. Parking durations (minutes) Weekday Weekend 952 15 5 650 16 11356 9761 17 1 14 4 6699 9851 18 246 852 19 177 Key: 1522| 15 |5 15- -155 (a) What were the ranges of parking durations for the two groups? Weekday Weekend (b) Which group had the higher median parking duration? O Weekday O Weekend O The medians were the same (c) Which group had more parking durations in the 150s? X