Members of the Middle Class Defined Themselves as Those Who

question 1

Multiple Choice

Members of the middle class defined themselves as those who

• A)had incomes in the middle of the economic spectrum.
• B)owned large farms.
• C)were masters of inheritable trades.
• D)worked with their heads rather than their hands.

---

Definitions:

P-Charts

Control charts used for monitoring the proportion of defective items in a process over time.

Statistical Process Control (SPC)

A method of quality control which employs statistical methods to monitor and control a process, helping to ensure that it operates at its fullest potential.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, calculated as the square root of the variance.

Process Control Limits

Boundaries in a control chart within which a process operates normally, and outside of which the process may need correction.