What Is the Mean of the Numbers 30, 25, 25

question 106

Multiple Choice

What is the mean of the numbers 30, 25, 25, 45, and 70?

• A)25
• B)30
• C)39
• D)195

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Definitions:

Control Limits

The bounds of acceptable performance in statistical process control, outside of which a process is considered out of control and corrective action is required.

R-chart

A control chart used in statistical process control to monitor the process variability based on ranges of sampled subsets.

Process Capability

A statistical measure of a process's ability to produce output within specified limits, commonly assessed by comparing the process variation to allowable specification limits.

Control Limits

Control Limits are statistical boundaries set within control charts that represent the acceptable range of variations in a process.