7. (16 Points) Cheese Consumption. The US. Department of Agriculture reports in Food Consumption, Prices, and Expenditures that the average American consumed about 32 lb of cheese in 2007. Cheese consumption has increased steadily since 1960. when the average American ate only 8.3 lb of cheese annually. The following table provides last year's cheese consumption, in pounds, for 35 randomly selected Americans. Use limit grouping with a rst class of 20-22 and a class width of 3. 44 27 31 36 40 38 32 31 30 34 26 45 24 40 34 30 43 22 37 26 31 42 31 24 35 25 29 34 35 35 34 20 42 34 27 a) What types of variables does the cheese consumption data belong to? b) Please finish the following frequency and relative frequency table. Cheese Frequency Relative (pounds) Frequenc y c) Draw a histogram of the data based on the table from part b); and use the percent as the vertical axis. Cheese Consumption Histogram Percent 0 Pounds