5. A study of 30 popular breakfast cereals was conducted to compare nutritional value. Some of the variables measured were calories, sugar, fiber, sodium and protein per serving. Of the 30 breakfast cereals in the study 12 were made by General Mills (G), 5 were made by Quaker Oats (Q), and 13 were made by Kellogs (K). a. Briefly describe the cases in this study. b. Construct a relative frequency table for the categorical variable listed in this study. Round to three decimal places as needed. Appropriately label your relative frequency table below. c. Draw a bar chart, by hand, to represent these results. Clearly label graph for full credit.