Explore topic-wise MCQs in Statistical Quality Control.

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