If a Population Distribution Is Known to Be Normal,then It

question 42

Multiple Choice

If a population distribution is known to be normal,then it follows that:

• A)The sample mean must equal the population mean.
• B)The sample mean must equal the population mean for large samples.
• C)The sample standard deviation must equal the population standard deviation.
• D)All of the above.
• E)None of the above.

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Definitions:

Variable Cost

Financial outlays that fluctuate based on the activity levels or production volumes within a company.

Fixed Cost

Expenses that do not change with the level of production or sales in the short term, such as rent, salary, and insurance.

High-Low Method

A technique in cost accounting used to estimate fixed and variable cost components of a product or service based on the highest and lowest levels of activity.

Variable Cost Elements

Expenses that change in proportion to the amount of goods produced or the volume of sales.