If the Variance of a Distribution Is 16, the Mean

question 20

Multiple Choice

If the variance of a distribution is 16, the mean is 12, and the number of cases is 24, the standard deviation is________.

• A) 4.
• B) 6.
• C) 8.
• D) 12.

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Definitions:

Incidence

In economics, the allocation or distribution of a tax's economic burden between buyers and sellers.

Tax Rate Structure

The percentage of a tax base that must be paid in taxes—25 percent of income, for example.

Tax Base

The tax base is the total amount of income, property, assets, or other wealth that is subject to taxation by a taxing authority.

Marginal Tax Rate

The rate at which the next dollar of taxable income is taxed, indicating the impact of each additional dollar of income on taxes owed.