What is the primary purpose of a Pareto chart in quality control?

• To display project timelines

• To identify the most significant factors in a dataset

• To show the distribution of data

• To monitor process stability

Which of the following best describes a Gantt chart?

• A chart that shows the frequency of defects

• A bar chart that represents a project schedule

• A chart that displays process variation over time

• A chart that shows the relationship between two variables

In a normal distribution, what percentage of data falls within one standard deviation of the mean?

• 50%

• 68%

• 95%

• 99.7%

What does SPC stand for in quality control?

• Statistical Process Control

• Standard Production Chart

• Systematic Process Calculation

• Statistical Product Control

Which of the following is a key focus of OSHA regulations?

• Product quality

• Workplace safety

• Environmental protection

• Data privacy

What is the main purpose of ISO standards?

• To ensure workplace safety

• To provide guidelines for quality management

• To regulate environmental emissions

• To control financial reporting

How is a micrometer typically read?

• By counting the number of complete turns

• By reading the scale on the sleeve and thimble

• By using a digital display

• By measuring the length of the object

What does the Pareto principle, often used in Pareto charts, state?

• 50% of the effects come from 50% of the causes

• 80% of the effects come from 20% of the causes

• 90% of the effects come from 10% of the causes

• 70% of the effects come from 30% of the causes

Which of the following is NOT typically shown on a Gantt chart?

• Task durations

• Task dependencies

• Resource allocation

• Frequency of defects

What is the shape of a normal distribution curve?

• Bell-shaped

• U-shaped

• Skewed

• Flat