Question: Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. A process that is considered to be in control
Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem.
A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5) taken. The population process standard deviation is 1.64.
| Samples | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 10 | 14 | 12 | 11 | 13 | 10 | 9 | 14 | 7 | 10 |
| 8 | 11 | 9 | 9 | 10 | 10 | 11 | 10 | 7 | 13 |
| 11 | 12 | 10 | 10 | 10 | 7 | 11 | 7 | 13 | 10 |
| 9 | 14 | 9 | 9 | 11 | 13 | 7 | 9 | 11 | 9 |
| 11 | 12 | 10 | 9 | 10 | 8 | 9 | 9 | 10 | 12 |
Part 2
a) Standard deviation of the sampling means = enter your response here in ounces (round your response to three decimal places).
Refer to Table S6.1 (below) - Factors for Computing Control Chart Limits (3 sigma) for this problem:
| Sample Size, n | Mean Factor, A2 | Upper Range, D4 | Lower Range, D3 |
| 2 | 1.880 | 3.268 | 0 |
| 3 | 1.023 | 2.574 | 0 |
| 4 | 0.729 | 2.282 | 0 |
| 5 | 0.577 | 2.115 | 0 |
| 6 | 0.483 | 2.004 | 0 |
| 7 | 0.419 | 1.924 | 0.076 |
| 8 | 0.373 | 1.864 | 0.136 |
| 9 | 0.337 | 1.816 | 0.184 |
| 10 | 0.308 | 1.777 | 0.223 |
| 12 | 0.266 | 1.716 | 0.284 |
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
