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At a local electronics manufacturer in College Corner, Ohio, resistors for electronic circuits are manufactured on a high - speed automated machine. The machine is
At a local electronics manufacturer in College Corner, Ohio, resistors for electronic circuits are manufactured on a highspeed automated machine. The machine is set up to produce a large run of resistors of ohms each. Use Exhibit
In a production setting, to set up the machine and to create a control chart to be used throughout the run, samples were taken with four resistors in each sample. The complete list of samples and their measured values are as follows: Use threesigma control limits
SAMPLE NUMBER READINGS IN OHMS
a Calculate the mean and range for the above samples. Round "Mean" to decimal places and "Range" to the nearest whole number.
Sample Number Mean Range e What comments can you make about the process?
The process is in statistical control.
The process is out of statistical control.
d Determine the UCL and LCL for chart. Leave no cells blank be certain to enter wherever required. Round your answers to
decimal places.
process?
The process is out of statistical control.
b Determine X
and R
Round your answers to decimal places.
X
R
c Determine the UCL and LCL for a X
chart. Round your answers to decimal places.
UCL
LCL
d Determine the UCL and LCL for Rchart. Leave no cells blank be certain to enter wherever required. Round your answers to decimal places.
UCL
LCL
e What comments can you make about the process?
multiple choice
The process is in statistical control.? The processs is not?b Determine and Round your answers to decimal places.
c Determine the UCL and LCL for a chart. Round your answers to decimal places.
UCL
LCL
d Determine the UCL and LCL for chart. Leave no cells blank be certain to enter wherever required. Round your answers to
decimal places.
UCL
LCL
e What comments can you make about the process?
The process is in statistical control.
The process is out of statistical control.
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