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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.
1. |
When there is an interactive effect of processes on the tolerances, process capability can t be used for the planning of production processes. |
A. | True |
B. | False |
Answer» C. | |
2. |
Probability plots are graph of ranked data plotted against the cumulative frequency, with a vertical scale chosen so that the cumulative distribution of assumed type is a _________ |
A. | Parabola |
B. | Straight line |
C. | Hyperbola |
D. | Pulse |
Answer» C. Hyperbola | |
3. |
Histogram generally is a __________ |
A. | Graphical representation of intervals of data plotted against frequency |
B. | Ranked data versus the sample cumulative frequency |
C. | Ranked data versus the frequency |
D. | Diagram of unit giving the location of defects |
Answer» B. Ranked data versus the sample cumulative frequency | |
4. |
Which is more efficient in the case of small samples to find out the shape and spread of the distribution? |
A. | Histogram |
B. | Probability plots |
C. | Designed experiments |
D. | PDCA |
Answer» C. Designed experiments | |
5. |
Probability plotting is not used to find __________ |
A. | The shape of distribution |
B. | The center of distribution |
C. | The spread of distribution |
D. | The origin of defects |
Answer» E. | |
6. |
Probability plotting is an alternative of _________ to find process capability. |
A. | Control charts |
B. | Histogram |
C. | Designed experiments |
D. | Acceptance sampling |
Answer» C. Designed experiments | |
7. |
Which of these is needed with the histogram to estimate the process capability? |
A. | Acceptance sampling |
B. | Scatter diagram |
C. | Sample average |
D. | Check sheet |
Answer» D. Check sheet | |
8. |
Which can be used as an alternative for histogram for PCA? |
A. | Check sheet |
B. | Defect concentration diagram |
C. | Stem-and-Leaf Plot |
D. | Scatter Diagram |
Answer» D. Scatter Diagram | |
9. |
PCA (process capability analysis) can t be used _____________ |
A. | To determine the process state of statistical control |
B. | To reduce the variability in the process |
C. | For specifying the location of defect |
D. | For modifying or selecting a process |
Answer» D. For modifying or selecting a process | |