Control Charts

Control Limits are the same are Specifications Limits.

• True

• False

The upper control limit defines:

• The highest standard deviation of the process

• The highest variance of the process

• The highest level that the process should operate within

• The highest specification limit that the customer wants

Process centering is shown by a control chart.

• True

• False

Common causes of variation are the purely random, unidentifiable sources of variation that are unavoidable with the current process.

• True

• False

Which of the following would be a "common" cause of variation?

• Random sources

• A machine in need of repair

• An untrained worker

• A defective raw material

What type of variation occurs when a process is in control?

• Random

• Natural

• Sampling

• Assignable

Which chart is often referred to as a trend chart?

• Control Chart

• Run Chart

• Pareto Chart

• Scatter Diagram

Which of the following is an example of an attribute data?

• Voltage

• Accepted/rejected

• Dimensions

• Weight

Which of the following reveals whether process variation is the result of a special cause?

• Control Chart

• Check Sheet

• Pareto Chart

• Run Chart

Variables data concern measured values such as dimensions, weight, etc.

• True

• False