If You Have a Population Standard Deviation of 9 and a Sample

question 75

Multiple Choice

If you have a population standard deviation of 9 and a sample size of 144, what is your standard error of the mean?

• A)7.5
• B)0.75
• C)12
• D)8

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Definitions:

Density

A physical property defined as the mass per unit volume of a substance, often used to identify or characterize materials.

Volume

The amount of space that an object or substance occupies, measured in cubic units.

Mass

An assessment of how much matter an object holds, often measured in grams or kilograms.

Density

The mass per unit volume of a substance, commonly expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).