Based on the information in the tables and r (Range) chart, we can state that: Included below is SPC analysis resuts for a given operation Mean Rang 20.00 Sample 145 19.8 20. 25 19 90 20.35 19.23 20.0L 19.98 20 36 19.97 X- 20004 Rang R-bar valne 0524 0.49 0.59 0.40 0.95 pper centrol lit Center e Lewer coutrel laait 20400 2004 1196 0524 21 205 20 195 19 18.5 9 10 Sample Sample K-bar Mean chan (Range) chat a Minimized View There appears to be assignable variation oCcurring here with respect to the Range. There appears to be no assignable variation occurring here with respect to the Range. There is no need to evaluate the range chart. None of the abore. Ver 282202 Sep 201 se 1:20AM NST 2011 Loudcleud Systen ky Py TeciReport Ling