Question
Given the following data, construct a 3 range control chart. Day of Sample Sample Values Saturday 22, 19, 20 Sunday 21, 20, 17 Monday 16,
Given the following data, construct a 3 range control chart.
| Day of Sample | Sample Values |
| Saturday | 22, 19, 20 |
| Sunday | 21, 20, 17 |
| Monday | 16, 17, 18 |
| Tuesday | 20, 16, 21 |
| Wednesday | 23, 20, 20 |
| Thursday | 19, 16, 21 |
a. If Fridays results are 15, 14, and 21, is the process in control?
b.Construct a 3 means control chart and determine if the process is still in control on Friday.
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Management A Practical Introduction
Authors: Angelo Kinicki, Brian Williams
2nd Edition
1743769849, 978-1743769843
