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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 high-speed automated machine. The machine is set up to produce a large run of resistors of 1,000 ohms each. Use Exhibit 10.13.
In a production setting, to set up the machine and to create a control chart to be used throughout the run, 15 samples were taken with four resistors in each sample. The complete list of samples and their measured values are as follows: Use three-sigma control limits.
SAMPLE NUMBER READINGS (IN OHMS)
11010991985986
29959961009994
3990100310151008
4101510201009998
5101310191005993
699410019941005
79899929821020
81001986996996
9100698910051007
1099210071006979
119961006997989
1210199969911011
139819919891003
14999993988984
15101310021005992
a. Calculate the mean and range for the above samples. (Round "Mean" to 2 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 R-chart. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to
3 decimal places.)
process?
The process is out of statistical control.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
b. Determine X=
and R
.(Round your answers to 3 decimal places.)
X=
R
c. Determine the UCL and LCL for a X
chart. (Round your answers to 3 decimal places.)
UCL
LCL
d. Determine the UCL and LCL for R-chart. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 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 ?()xbar(R).(Round your answers to 3 decimal places.)
?bar(x)(?bar(R))
c. Determine the UCL and LCL for a x chart. (Round your answers to 3 decimal places.)
UCL
LCL
d. Determine the UCL and LCL for R-chart. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to
3 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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