Probability in Maintenance Management

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What is the name of the Italian economist who observed that 80% of the income in Italy went to 20% of the population?

John Maynard Keynes

Adam Smith

Karl Marx

Vilfredo Pareto (correct)

What percentage of problems stem from a small percentage of causes according to the Pareto Principle?

70% of problems stem from 15% of causes

90% of problems stem from 30% of causes

80% of problems stem from 20% of causes (correct)

50% of problems stem from 10% of causes

What is the main purpose of a Pareto chart?

To assign responsibilities for implementing a solution

To evaluate the effectiveness of a solution

To identify the root cause of a problem

To show the frequency of problems or causes (correct)

How are the bars arranged in a Pareto chart?

In descending order of height from left to right Signup and view all the answers

What is the benefit of using a Pareto chart in an improvement effort?

It helps to identify the most significant causes of problems Signup and view all the answers

What is the first step in constructing a Pareto chart?

Record the raw data and list each category and its associated frequency Signup and view all the answers

What is the purpose of ordering the data in a Pareto chart?

To identify the most significant causes of problems Signup and view all the answers

Which of the following is NOT one of the seven basic tools of quality control?

Gantt chart Signup and view all the answers

When can a Pareto chart be used in an improvement effort?

At different levels of an improvement effort Signup and view all the answers

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. Signup and view all the answers

How does a Cause-and-Effect Diagram promote group participation in problem-solving?

It utilizes group knowledge of the process. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

What is the main category of causes in a Cause-and-Effect Diagram?

The main causes contributing to the effect being studied. Signup and view all the answers

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. Signup and view all the answers

What is the final output of a Cause-and-Effect Diagram?

A pictorial display of a list of causes organized in different categories. Signup and view all the answers

Probability in Maintenance Management

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