You Have Data for Sales of Pizza for Each of the 50

question 283

Multiple Choice

You have data for sales of pizza for each of the 50 states in 2010.The type of graph to best display these data would be a

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

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Definitions:

Expected Frequencies

Predicted counts in each category of a contingency table assuming no association between variables.

Chi-Square Test

A statistical test used to determine the likelihood of an observed distribution occurring by chance.

Retirement Age

The age at which a person is expected or required to stop working and is eligible to receive retirement benefits like Social Security or pensions.

Age Distribution

The proportionate numbers of individuals in successive age categories in a given population.