=+d) When should the quality team have investigated the production process?

Sample Circumference Deviation Sample Circumference Deviation 1 8.998 -0.127 26 9.121 -0.004 2 9.181 0.056 27 9.111 -0.014 3 9.147 0.022 28 9.130 0.005 4 9.182 0.057 29 9.116 -0.009 5 9.087 -0.038 30 9.035 -0.090 6 9.154 0.029 31 9.188 0.063 7 9.108 -0.017 32 9.092 -0.033 8 9.109 -0.016 33 9.078 -0.047 9 9.141 0.016 34 9.101 -0.024 10 9.093 -0.032 35 9.113 -0.012 11 9.142 0.017 36 9.087 -0.038 12 9.140 0.015 37 9.054 -0.071 13 9.125 0.000 38 9.177 0.052 14 9.175 0.050 39 9.058 -0.067 15 8.985 -0.140 40 9.179 0.054 16 9.119 -0.006 41 9.147 0.022 17 9.140 0.015 42 9.123 -0.002 18 9.109 -0.016 43 9.097 -0.028 19 9.190 0.065 44 9.108 -0.017 20 9.087 -0.038 45 9.214 0.089 21 9.046 -0.079 46 9.140 0.015 22 9.108 -0.017 47 9.151 0.026 23 9.188 0.063 48 9.041 -0.084 24 9.125 0.000 49 9.061 -0.064 25 9.114 -0.011 50 9.162 0.037 M21_SHAR8696_03_SE_C21.indd 805 14/07/14 7:36 AM 806 CHAPTER 21 Quality Control