Sample Control Chart 51 Upper Control Limit Weight of dry dog 50 food bags (in Ibs. 49 Lower Control limit 15913172125293337414549 Date 45891011121314151617181920222324252629301 Figure 20-6Sample Control Chart 49 50 51 1 5 9 13 17 21 25 29 33 37 41 45 49 Upper Control Limit Lower Control Limit Weight of dry dog food bags (in lbs.) Date 4 5 8 9 10 1112 13 14 15 16 17 18 19 20 22 23 24 25 26 29 30 1 Figure 20-6