An $\bar { x }$ chart is being developed using 15 samples of size 9 each.The average of 15 sample means is 6.20.The average of the 15 ranges is 0.30.The lower control limit is _______________.
A)6.301
B)6.267
C)6.133
D)6.099
E)6.312

Question

Quizplus · Accepted Answer

The Answer of An $\bar { x }$ chart is being developed using 15 samples of size 9 each.The average of 15 sample means is 6.20.The average of the 15 ranges is 0.30.The lower control limit is _______________.
A)6.301
B)6.267
C)6.133
D)6.099
E)6.312

An xˉ\bar { x }xˉ Chart Is Being Developed Using 15 Samples of Size 9

An $\bar { x }$ Chart Is Being Developed Using 15 Samples of Size 9