Find the control limits for the Averages chart
For sum of sub group averages at 2487, number of subgroups is 25 and each subgroup having 5 samples, the control limits for the Averages chart are
OPTIONS
- 91, 108
- 81, 121
- 0, 100
- 70, 131
ANSWER
91, 108
EXPLANATION
Using Control Chart constants, the control limits for the Averages chart are 91, 108.