The following data represent the serving size (in grams) of 40 sandwiches served at McDonald's and Burger King. 100,279,147,263,269,459,164,273,114,214,209,246,294,147,189,244,165,206,226,249,352,149,190,284,169,220,229,118,376,121,250,190,198,143,260,125,434,133,311,122. Part A. If eight classes are to be formed, choose an appropriate lower class limit for the first class. Part B. Find the class width. Part C. Construct a frequency distribution. Part D. Construct a relative frequency distribution. Part E. Construct a frequency histogram. Part F. Describe the shape of the data.