An observer noted the wait times for customers at two local ice cream parlors. The number of minutes each person waited before being served was noted and the results are shown in the charts below. Good Ice Cream Farr Better Ice Cream 8 8 7 7 6 6 g5 g5 (U (D 3 4 a 4 E: 3 e 3 LI. LI. 2 I 2 I 0 I o I I 012345678910 012345678910 Wait time (min) Wait time (min) a) How many customers' wait times were observed? (2 pt) b) Which ice cream shop has the larger variation in waiting times? Justify your answer. (4 pts) c) If the customers in each shop completed an online review, which customers would give a better rating for the \"wait times\" category? Why do you think this? (4 pts)