The manager of an upscale coffee store is trying to decide which of three locations would be best for a new store. The manager currently wants to determine whether there are differences in the foot traffic at each location. The manager hires three students, and has them count the number of passersby on a random sample of days. At the 5% level of significance, is there evidence of a difference in foot traffic at the three locations? You should already have checked conditions in Develop Your Skills 11.1, Exercise 1.