Quality Improvement and Control Tools MCQs

Quality Improvement and Control Tools MCQs

Try to answer these 30+ Quality Improvement and Control Tools MCQs and check your understanding of the Quality Improvement and Control Tools subject. Scroll down and let's begin!

1: A quality characteristic that is counted using whole numbers and often categorized using either/or measures is known as

A.   Attribute

B.   Taguchi-loss function

C.   Histogram

D.   Barchart diagram

2: C-chart is an attribute control chart that is used to ______ countable occurrences

A.   Monitor

B.   Ignore.

C.   Neglected

D.   None of these

3: Which of the correct statements about the Central limit theorem?

A.   Variations in quality that arise from random natural differences

B.   A control chart to monitor if the average value of the process variable is around target

C.   Theorem that states that as the size of a sample gets larger and larger, its distribution also approaches the normal distribution

D.   None of these

4: Common cause variations arise from ______?

A.   Random natural differences

B.   Artificial differences

C.   Both a & b

D.   None of these

5: In Control chart variations in _____ that arise from random natural differences

A.   Quality

B.   Time

C.   Value

D.   Strategy

6: Numerical maximum and minimum values within which the outputs produced by a process are expected to fall to be considered as having acceptable quality to the customer, also known as

A.   Parameter design

B.   Mean chart

C.   Tolerance limits

D.   Design specification limits

7: Mean chart is a control chart to monitor if the ______ of the process variable is around target

A.   Average value

B.   Percentage value

C.   Mode value

D.   Remaining value

8: Parameter design focuses on determining the ______ and the processes used to produce it so as to minimize variations

A.   Experimental designs

B.   Optimal design

C.   Branding design

D.   None of these

9: _______ is used to monitor the fraction, or proportion, of defects or errors in a product or service

A.   P-diagram

B.   Process capability index

C.   P-chart

D.   All of these

10: P-diagram identifies the various factors that have an effect on the ______ and ______ of a product or process

A.   Design & performance

B.   Compatible & condiciones

C.   Factor & Effective

D.   Both b & c

11: Define Process capability index

A.   A set of procedures to improve a product’s quality or a service’s quality before it is delivered

B.   A measure of how well a process meets its specification limits

C.   A process to monitor quality of a product or service after it is produced or delivered

D.   All of these

12: Quality control a process to monitor quality of a product or service

A.   True

B.   False

13: Range chart is a control chart that monitors the _____ With Sample

A.   Constancy

B.   Soundness

C.   Variability

D.   None of these

14: Which of the following statements is false?

A.   The sampling distribution of the mean will have the same standard deviation as the original population from which the samples were drawn

B.   The sampling distribution of the mean will have the same mean as the original population from which the samples were drawn

C.   The sampling distribution of the mean will be normal if the original population from which the samples were drawn is normally distributed

D.   Sample data are used as a basis from which to make probability statements about the true (but unknown) value of the population mean or proportion

E.   Using information from a sample to reach conclusions about the population from which it was drawn is referred to as inferential statistics

15: variations in quality that are not normally present in the process and can be attributed to unique or assignable causes is known as

A.   Special cause variations

B.   Tolerances

C.   Variable

D.   None of these

16: Variable a quality characteristic that is measured on a _____ or incremental, scale

A.   Continuous

B.   Discontinuous

C.   Statement Incorrect

D.   None of these

17: ______ is a quality characteristic that is counted using whole numbers and often categorized using either/or measures.

A.   Attribute

B.   Variable

C.   Identity

D.   Special cause variations

18: ______ represents the target value of the quality characteristic the firm is trying to achieve.

A.   Lower control limits

B.   Upper control limits

C.   Center line

D.   Variations

19: The upper and lower control limits of a control chart are sometimes mistakenly interpreted as ______.

A.   Design specification limits

B.   Errors

C.   Variations

D.   Attributes

20: ______ refers to a set of procedures to improve a product or service’s quality before it is delivered.

A.   Quality control

B.   Quality assurance

C.   Check sheet

D.   Quality management

21: “As the size of a sample gets larger, its distribution approaches normal distribution,” summarizes which assumption in sampling measurements?

A.   Common cause variation

B.   Parameter design

C.   Design specification limits

D.   Central limit theorem

22: “As the size of a sample gets larger, its distribution approaches normal distribution,” summarizes which assumption in sampling measurements?

A.   Common cause variation

B.   Parameter design

C.   Design specification limits

D.   Central limit theorem

23: As a rule of thumb, to do a process capability analysis, you should collect a minimum of ______ samples each with a sample size of at least 5 items.

A.   Ten

B.   Thirty

C.   Twenty

D.   Twenty-five

24: ______ is a control chart that monitors the variability within samples.

A.   Range chart

B.   Mean chart

C.   C-chart

D.   P-chart

25: ______ is a control chart that monitors the variation between samples.

A.   C-chart

B.   P-chart

C.   Range chart

D.   Mean chart

26: ______ is an attribute control chart used to monitor the fraction, or proportion, of defects or errors in a product or service.

A.   P-chart

B.   R-chart

C.   C-chart

D.   Mean chart

A.   Scatter diagram

B.   Histogram

C.   Pareto charts

D.   Check sheets

28: ______ is an approach to design that focuses on determining the optimal design of a product and the processes used to produce it so as to minimize variations.

A.   Process capability analysis

B.   P-diagram

C.   Parameter design

D.   Design specification limits

29: ______ is a control chart that monitors the variability within samples.

A.   Mean chart

B.   Range chart

C.   C-chart

D.   P-chart

30: ______ is a technique used to determine whether a process is able to meet a set of design specification limits, or normal level of variations, that reflect the customer’s requirements for a product or service.

A.   Process capability analysis

B.   Quality control

C.   Six Sigma

D.   Quality management

31: ______ is an attribute control chart that is used to monitor countable occurrences.

A.   Mean chart

B.   R-chart

C.   P-chart

D.   C-chart

32: ______ are useful for manufacturing processes and operations that are repeated.

A.   Control charts

B.   Quality control

C.   Check sheets

D.   Process flowcharts

33: Flowcharting is a quality improvement technique used for ______.

A.   Process analysis

B.   Data collection

C.   Process control

D.   Process mapping