CQA EXAM 2025 QUESTIONS AND
ANSWERS
Which of the following is not a diagram used in brainstorming? - ....ANSWER ...-
Scatter diagrams
*They show relationships using data and are not for brainstorming.
*Show relationship between two continuous variables
If A and B are two independent events, then the probability of both A & B jointly
occurring is: - ....ANSWER ...-P(A and B) = P(A) P(B)
If events A and B are mutually exclusive, then how does this impact the occurrence of A
& B? - ....ANSWER ...-A & B cannot occur simultaneously
*In mutually exclusive relationships A & B cannot occur at the same time.
Pareto charts are used for the purpose of: - ....ANSWER ...-Determining priorities
when many possibilities exist
*It establishes a hierarchical relationship between potential problems.
The primary purpose of the check sheet is to: - ....ANSWER ...-Collect data about a
process under investigation
*Check sheets are used for collecting data to be analyzed.
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1
, Histograms are used for the purpose of: - ....ANSWER ...-Graphically displaying
variation in data
*Histograms are a graphical representation of frequency distribution in data.
Cause and effect diagrams are used to: - ....ANSWER ...-Analyze processes for
underlying causes of defects
*The cause and effect diagram or fishbone diagram is used to identify the possible
causes for an effect or problem.
Flowcharts are used to: - ....ANSWER ...-Diagram the inputs, actions, and outputs
of a process
*A flowchart is a graphical representation of the steps in a process, including inputs,
actions, and outputs.
Which of the following best describes the use of a scatter diagram? -
....ANSWER ...-Plot a dependent variable against an independent variable
*A scatter diagram graphs pairs of numerical data to look for relationships between
them.
Of the following options, which best describes the primary purpose of the control chart: -
....ANSWER ...-Distinguish between common and special causes of variation
*A control chart can be used to analyze the process to identify if variation is due to
special causes or common causes.
The appropriate tool to use when trying to better follow a process would be: -
....ANSWER ...-Flowcharts
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 2
ANSWERS
Which of the following is not a diagram used in brainstorming? - ....ANSWER ...-
Scatter diagrams
*They show relationships using data and are not for brainstorming.
*Show relationship between two continuous variables
If A and B are two independent events, then the probability of both A & B jointly
occurring is: - ....ANSWER ...-P(A and B) = P(A) P(B)
If events A and B are mutually exclusive, then how does this impact the occurrence of A
& B? - ....ANSWER ...-A & B cannot occur simultaneously
*In mutually exclusive relationships A & B cannot occur at the same time.
Pareto charts are used for the purpose of: - ....ANSWER ...-Determining priorities
when many possibilities exist
*It establishes a hierarchical relationship between potential problems.
The primary purpose of the check sheet is to: - ....ANSWER ...-Collect data about a
process under investigation
*Check sheets are used for collecting data to be analyzed.
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1
, Histograms are used for the purpose of: - ....ANSWER ...-Graphically displaying
variation in data
*Histograms are a graphical representation of frequency distribution in data.
Cause and effect diagrams are used to: - ....ANSWER ...-Analyze processes for
underlying causes of defects
*The cause and effect diagram or fishbone diagram is used to identify the possible
causes for an effect or problem.
Flowcharts are used to: - ....ANSWER ...-Diagram the inputs, actions, and outputs
of a process
*A flowchart is a graphical representation of the steps in a process, including inputs,
actions, and outputs.
Which of the following best describes the use of a scatter diagram? -
....ANSWER ...-Plot a dependent variable against an independent variable
*A scatter diagram graphs pairs of numerical data to look for relationships between
them.
Of the following options, which best describes the primary purpose of the control chart: -
....ANSWER ...-Distinguish between common and special causes of variation
*A control chart can be used to analyze the process to identify if variation is due to
special causes or common causes.
The appropriate tool to use when trying to better follow a process would be: -
....ANSWER ...-Flowcharts
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 2
