Homework Answers
Answer:
| R= Max- Min | X-bar= average of sample |
| 4 | 13 |
| 10 | 11 |
| 3 | 5 |
| 7 | 14 |
| 8 | 9 |
| 14 | 9 |
| 11 | 12 |
| 14 | 13 |
| 9 | 10 |
| 9 | 11 |
| 11 | 13 |
| 5 | 6 |
| 8 | 8 |
| 10 | 6 |
| 12 | 9 |
| 9.000 | 9.933 |
| R-bar (Average of above values) |
X-bar-bar (average of above values) |
D4, D3 and A2 are taken from table of factors computing 3 sigma control limits, sample size= 5
Range
| D4 (n=5)= | 2.115 | ||
| D3 (n=5)= | 0 | ||
| control limits for Range, | |||
| CL or R-bar= | 9.000 | ||
| UCL=R-bar*D4 | 19.035 | ||
| LCL=R-bar*D3 | 0.000 | ||
Mean
| A2 (n=5) | 0.577 | ||
| control limits for X bar, | |||
| CL or Xbarbar | 9.933 | ||
| UCL=Xbarbar+ (A2)*Rbar | 15.126 | ||
| LCL=Xbarbar- (A2)*Rbar | 4.740 | ||
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The Money Pit Mortoage Company is interested in monitoring the performance of the mortoage procees. Firieen...
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The
Money Pit Mortgage Company is interested in monitoring the
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The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen...
The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The Money Pit Mortgage Company made some changes to the process and undertook a process capability study. The following data were obtained for 15 samples of size 5. Based on the individual observations, management estimated...
The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen...
The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The Money Pit Mortgage Company made some changes to the process and undertook a process capability study. The following data were obtained for 15 samples of size 5. Based on the individual observations, management estimated...
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The
Money Pit Mortgage Company is interested in monitoring the
performance of the mortgage process. Fifteen samples of five
completed mortgage transactions each were taken during a period
when the process was believed to be in control. The times to
complete the transactions were measured. The means and ranges of
the mortgage process transaction times, measured in days, are as
follows:
b.
Sample123456789 10 11 12 13 14 15 Mean 5 103 7 8 13 14 9 9 9 5...
Question pertains to the
x-chart part
Sample Mean Range 16 8 12 13 6 6 4 15 10 10 11 10 16 13 14 0 14 17 11 12 IU 12 12 11 13 14 12 7 8 13 9 11 14 7 13 15 10 15 Subsequently, samples of size 5 were taken from the process every week for the next 10 weeks. The times were measured and the following results oblained: Sample Mean Range 16 9 17 12...
The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The Money Pit Mortgage Company made some changes to the process and undertook a process capability study. The following data were obtained for 15 samples of size 5. Based on the individual observations, management estimated...
1st*variability is: in
control/out of control
2nd*no samples fall/one/two/more
3rd* in control/out of control
The following are quality control data for a manufacturing process at Kensport Chemical Company. The data show the temperature in degrees centigrade at five points in time during a manufacturing cycle. X Sample R 1 95.72 1.0 95.24 2 0.9 0.9 95.18 95.42 0.4 4 5 95.46 0.5 95.32 1.1 6 7 95.40 0.9 95.44 0.3 9 95.08 0.2 10 95.50 0.6 11 95.80 0.6 12...
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