A foreman wants to use an chart to control the average length of the bolts manufactured.He has recently collected the six samples given below. Determine the LCL and the UCL for the chart.
A)(1.975 2.035)
B)(1.915 2.095)
C)(1.983 2.027)
D)(1.991 2.019)

Question

A foreman wants to use an  chart to control the average length of the bolts manufactured.He has recently collected the six samples given below.  Determine the LCL and the UCL for the  chart.
A)(1.975 2.035) 
B)(1.915 2.095) 
C)(1.983 2.027) 
D)(1.991 2.019)

Quizplus · Accepted Answer

1.983 to 2.027.All six sample means fall within the control limits.2.005 F1F1F1S1F1F1F10 (.483)(.03)= 1.983 to 2.027All six sample means fall within the control limits.

A Foreman Wants to Use an Chart to Control