You Have Data for Average Tax Rates for Each of the 50

question 305

Multiple Choice

You have data for average tax rates for each of the 50 states for 2002. The type of graph to best display these data would be a

• A) time- series graph.
• B) scatter diagram.
• C) multi- variable time- series graph.
• D) cross- section graph.

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Definitions:

Probability

A measure of the likelihood of a given event occurring, expressed as a number between 0 (impossible) and 1 (certain).

Sample Means

Average values derived from a subset (sample) of a larger population.

Standard Deviation

Square root of the variance that represents the average deviation of a score from the mean.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to estimate properties of an underlying population.