Practice Exercise 10.1: Develop an Xbar and Rbar charts and determine if they are in control. Samp le 1 2 3 4 5 6 7 8 9 10 A B C D 14 2 12 4 12 4 15 8 14 8 14 9 13 6 12 7 13 7 14 5 15 3 15 6 13 7 15 6 12 8 14 0 14 0 14 2 14 4 12 3 12 4 14 5 13 0 12 3 14 0 13 3 14 2 15 4 13 2 16 0 13 0 15 7 12 8 12 7 13 8 15 9 14 6 13 3 12 5 13 5 1. Determine the estimate for the : __________________________ 2. Determine the UCL for X bar Chart: ________________________ 3. Determine the LCL for the X bar Chart: _______________________