Question: A part that connects two levels should have a distance between the two holes of 4. It has been determined that x-bar and R-charts should
A part that connects two levels should have a distance between the two holes of 4". It has been determined that x-bar and R-charts should be set up to determine if the process is in statistical control. The following ten samples of size six were collected. Fill out the form, plot the control charts, and determine if the process is in control.
|
| Mean | Range |
| Sample 1 | 4.01 | 0.04 |
| Sample 2 | 3.98 | 0.06 |
| Sample 3 | 4.00 | 0.02 |
| Sample 4 | 3.99 | 0.05 |
| Sample 5 | 4.03 | 0.06 |
| Sample 6 | 3.97 | 0.02 |
| Sample 7 | 4.02 | 0.02 |
| Sample 8 | 3.99 | 0.04 |
| Sample 9 | 3.98 | 0.05 |
| Sample 10 | 4.01 | 0.06 |
|
| x-bar chart | R-chart |
| X |
| / |
| R |
|
|
| A 2 |
| / |
| D 4 | / |
|
| D 3 | / |
|
| Upper control limit |
|
|
| Center line |
|
|
| Lower control limit |
|
|
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock