1. A sociologist is interested in the economic impact of school events at Waytoo High School. She inter-views couples who attend the senior prom and asks how much money each couple spent on this one evening, including tickets, clothing, and entertain-ment. The data (in dollars) are 245, 190, 330, 225, 140, 120, 410, 395, 218, 264, 256, 302, 330, 310, 275, 272, 188, 380, 95, 160, 260, 265, 387, 342, 340. Prepare these distributions:

(a) Frequency distribution of money spent on the prom at Waytoo High

(b) Grouped frequency distribution with about eight groups

(c) Histogram

(d) Frequency polygon