Asked by Jeanna Ramig on Jul 18, 2024
Verified
The upper and lower limits for diving ring diameters made by John's Swimming are 40 and 39 cm. John took 11 samples with the following average diameters (39, 39.1, 39.2, 39.3, 39.4, 39.5 39.6, 39.7, 39.8, 39.9, 40) . Is the process in control?
A) Yes, no diameters exceeded the control limits.
B) No, some diameters exceeded the control limits.
C) No, there is a distinguishable pattern to the samples.
D) No, the range is not in control.
E) There is not enough information to make a decision.
Control Limits
Statistical boundaries set within control charts in process control to identify whether a process is in a state of control.
Average Diameters
The mean value of diameters measured across different points or objects, providing a single representative dimension.
- Gain an understanding of the functions and varieties of control charts.
- Comprehend the function and procedures associated with applying range and mean charts in managing processes.
Verified Answer
AM
Aurora MunozJul 19, 2024
Final Answer :
C
Explanation :
The samples show a clear and consistent upward trend, which indicates a process that is not in control despite all values being within the specified limits.
Learning Objectives
- Gain an understanding of the functions and varieties of control charts.
- Comprehend the function and procedures associated with applying range and mean charts in managing processes.
Related questions
A Process Range Chart Illustrates the Amount of Variation Within ...
Mean Charts and Range Charts Complement One Another, One Detecting ...
The X-Bar Chart Indicates That a Gain or Loss of ...
The X-Bar Chart, Like the C-Chart, Is Based on the ...
If the Process Average Is in Control, Then the Process ...