1) The sample data collected for a manufacturing process. If there are 21 samples and 6 observations in each sample:

What A2 value should be used to construct an X-Bar Chart?

A) 0

B) 0.173

C) 0.415

D) 0.483

E) 8

F) 21

G) 168

H) NONE OF THE ABOVE

2) The sample data collected for a manufacturing process. If there are 6 observations in each sample and 22 samples are available:

What D3 value should be used to construct an R-Chart?

A) 0

B) 0.173

C) 0.415

D)0.483

E) 6

F) 22

G) 132

H) NONE OF THE ABOVE