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 lower control limit for this R chart?
A) 4.84
B) 3.37
C) 2.98
D) 1.34

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 lower control limit for this R chart?
A) 4.84 
B) 3.37 
C) 2.98 
D) 1.34

Quizplus · Accepted Answer

The lower control limit (LCL) for an R chart is calculated using the formula LCL = D3 * R-bar, where D3 is a constant that depends on the sample size. Without specific sample size information, we assume D3 is such that the LCL is 1.34.

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