One Friday Evening You Meet That "Special Someone" for Whom

question 418

Multiple Choice

One Friday evening you meet that "special someone" for whom you have been searching your whole life. The person gives you a phone number, but you have no pen to write it down. In your excited state you are unable to rehearse the phone number in your head. How long can you expect your short-term memory to remember the number?

• A)less than 10 seconds
• B)20 seconds
• C)5 minutes
• D)at least 24 hours

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Definitions:

X-bar Chart

A type of control chart used for monitoring the mean value of a process over time.

Natural Variation

Variability that affects every production process to some degree and is to be expected; also known as common cause.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much individual data points differ from the mean.

Statistical Process Control Charts

Graphical tools used for monitoring, controlling, and improving processes by identifying variations.