7QC tools

Which of the 7 QC tools is primarily used for organizing and summarizing data?

• Histogram
• Pareto Chart
• Scatter Diagram
• Check Sheet

What is the main purpose of a Scatter Diagram in quality control?

• Displaying the distribution of a data set
• Showing the relationship between two variables
• Ranking items in order of importance
• Identifying the root cause of a problem

Which tool is used for identifying the most significant factors contributing to a problem?

• Control Chart
• Ishikawa Diagram (Fishbone)
• Pareto Chart
• Scatter Diagram

The Ishikawa Diagram is also known as:

• Fishbone Diagram
• Histogram
• Control Chart
• Scatter Diagram

Which tool is used to track the number of occurrences of specific events over time?

• Histogram
• Pareto Chart
• Control Chart
• Check Sheet

In a Control Chart, what does the term "out of control" mean?

• The process is operating within acceptable limits.
• The process is operating outside acceptable limits.
• The chart itself is poorly constructed.
• The data is unreliable.

Which tool helps in identifying the sequence and interaction of processes in a workflow?

• Scatter Diagram
• Pareto Chart
• Flowchart
• Control Chart

What is the purpose of a Control Chart in quality control?

• Identifying the most significant factors
• Monitoring process stability over time
• Displaying the distribution of a data set
• Showing the relationship between two variables

Which tool is useful for identifying potential causes of a problem by visually representing relationships between variables?

• Ishikawa Diagram (Fishbone)
• Pareto Chart
• Control Chart
• Scatter Diagram

What does the term "Pareto Principle" state in the context of quality control?

• 80% of the problems come from 20% of the causes.
• All problems are equally important.
• The process is in control.
• Data should be displayed in a histogram.