Use the following data: 3, 4, 4, 6, 8, 10, 10, 12, 12, 12, 13, 15, 15, 15, 16, 17, 20, 22, 25, 27. Calculate the value of the following: A. Use Mendenhall and Sincich Method (5 points each) 1. first quartile; 2. middle quartile; 3. upper quartile; B. Use...