Consider the following frequency table representing the distribution of cost of lunch (in dollars). Cost of Lunch (in Dollars) Class Frequency 5.5-6.6 5 6.7-7.8 3 7.9-9.0 5 9.1- 10.2 4 10.3-11.4 13 Determine the relative frequency for the fourth class. 13.3% 15% 14% 12.5%