If You Have a Population Standard Deviation of 20 and a Sample

question 13

Multiple Choice

If you have a population standard deviation of 20 and a sample size of 4,what is your standard error of the mean?

• A)-10
• B)10
• C)5
• D)-5

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Definitions:

Mean

A statistical measure representing the average value of a set of numbers, calculated as the sum of all the values divided by the number of values.

Standard Deviations

A statistical measure that quantifies the amount of variation or dispersion of a set of values.

Control Limits

The parameters within which a process or monitoring variable is considered acceptable, helping to identify deviations from expected performance.

Deming Approach

A management philosophy focused on quality improvement and reduction of variability through statistical methods, named after W. Edwards Deming.