19 Questions
What is the name of the Italian economist who observed that 80% of the income in Italy went to 20% of the population?
Vilfredo Pareto
What percentage of problems stem from a small percentage of causes according to the Pareto Principle?
80% of problems stem from 20% of causes
What is the main purpose of a Pareto chart?
To show the frequency of problems or causes
How are the bars arranged in a Pareto chart?
In descending order of height from left to right
What is the benefit of using a Pareto chart in an improvement effort?
It helps to identify the most significant causes of problems
What is the first step in constructing a Pareto chart?
Record the raw data and list each category and its associated frequency
What is the purpose of ordering the data in a Pareto chart?
To identify the most significant causes of problems
Which of the following is NOT one of the seven basic tools of quality control?
Gantt chart
When can a Pareto chart be used in an improvement effort?
At different levels of an improvement effort
What is the primary benefit of using a Cause-and-Effect Diagram to identify the root causes of a problem?
It uses a structured approach to identify the root causes of a problem.
How does a Cause-and-Effect Diagram promote group participation in problem-solving?
It utilizes group knowledge of the process.
What is the purpose of drawing a horizontal arrow pointing to the right in a Cause-and-Effect Diagram?
It is the spine of the diagram.
What is the importance of clearly defining the problem or effect to be analyzed in a Cause-and-Effect Diagram?
It ensures that the problem is clearly understood by all team members.
What is the benefit of using an orderly, easy-to-read format to diagram cause-and-effect relationships in a Cause-and-Effect Diagram?
It increases knowledge of the process by helping everyone to learn more about the factors at work and how they relate to the problem.
How does a Cause-and-Effect Diagram help in identifying areas where data should be collected for further study?
It identifies areas where data should be collected for further study.
What is the purpose of constructing a pictorial display of a list of causes organized in different categories in a Cause-and-Effect Diagram?
It shows their relationship to a particular problem or effect.
What is the main category of causes in a Cause-and-Effect Diagram?
The main causes contributing to the effect being studied.
What is the role of the Operational Definition in a Cause-and-Effect Diagram?
It ensures that the effect is clearly understood by all team members.
What is the final output of a Cause-and-Effect Diagram?
A pictorial display of a list of causes organized in different categories.
Solve a problem involving normal distribution and probability in the context of maintenance management. Calculate the probability of a scooter needing an overhaul before a certain number of kilometers. Test your understanding of statistical concepts and their application in real-world scenarios.
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