SCENARIO 19-3
-Referring to Scenario 19-3, suppose the analyst constructs an R chart to see if the variability in
Production times is in-control.What is the center line of this R chart?
A) 4.8
B) 6.0
C) 6.9
D) 7.1

Question

SCENARIO 19-3 
-Referring to Scenario 19-3, suppose the analyst constructs an R chart to see if the variability in
Production times is in-control.What is the center line of this R chart?
A) 4.8 
B) 6.0 
C) 6.9 
D) 7.1

Quizplus · Accepted Answer

The center line of an R chart is the average range of the sample ranges. In this case, the average range is 6.0.

SCENARIO 19-3 -Referring to Scenario 19-3, Suppose the Analyst Constructs an R