QAQC TOOLS AND TECHNIQUES

Which of the following tools is used to visually represent the distribution of data?

• • A. Check Sheet

• • B. Histogram

• • C. Pareto Chart

• • D. Cause-and-Effect Diagram

2. A company is experiencing a high number of customer complaints about product defects. Which tool would be most helpful in identifying the 20% of factors contributing to 80% of the problems?

• • A. Check Sheet

• • B. Control Chart

• • C. Pareto Chart

• • D. Cause-and-Effect Diagram

3. A quality control inspector notices a trend in the measurements of a manufactured part, indicating the process might be going out of control. Which tool would be most appropriate to monitor this situation?

• • A. Check Sheet

• • B. Histogram

• • C. Pareto Chart

• • D. Control Chart

4. A team is brainstorming potential causes for a software bug. What tool can help them organize their ideas and identify the root cause?

• • A. Check Sheet

• • B. Scatter Plot

• • C. Cause-and-Effect Diagram (Ishikawa Diagram)

• • D. Control Chart

Which of the following statements about Quality Assurance is MOST accurate?

• • A. It focuses solely on inspecting finished products for defects.

• • B. It is a preventive approach to ensure quality is built into the process.

• • C. It requires minimal resources and can be easily implemented.

  • D. It is only relevant during the production stage of a projec

• • D. It is only relevant during the production stage of a project

• Fundamental tools for data analysis and problem-solving in quality control. They includes:

A. Check Sheet: A simple form for recording data occurrences.

• B. Histogram: A graphical representation of data distribution.

• C. Pareto Chart: Illustrates the 80/20 rule, highlighting the most frequent problems.

• D. Cause-and-Effect Diagram (Ishikawa Diagram): Identifies potential causes of defects.

• E. Scatter Diagram: Shows the relationship between two variables.

• F. Control Chart: Monitors process stability over time.

• G. Stratification: Divides data into subgroups for better analysis.

• ALL OF THE ABOVE

• NONE OF THE ABOVE

• A, B, C, D & E

• A, B, C, & D

Which of the following tools is used to identify many possible causes for an effect or problem and sort ideas into useful categories?

• A) Histogram

• B) Control chart

• C) Scatter diagram

• D) Cause-and-effect diagram (Ishikawa or fishbone diagram)

Which QA/QC tool is best suited for identifying potential correlations between two variables?

• a) Run charts

• b) Control charts

• c) Scatter diagrams

• d) Pareto charts

5. What tool is best suited for visually representing the relationship between two variables in quality control analysis?

• • A. Run charts

• • B. Control charts

• • C. Scatter diagrams

• • D. Pareto charts

6. When analyzing data in quality control, which tool is used to monitor process stability over time?

• • A. Check Sheet

• • B. Histogram

• • C. Pareto Chart

• • D. Control Chart