If an Economist Wishes to Determine Whether There Is Evidence

question 107

Multiple Choice

If an economist wishes to determine whether there is evidence that average family income in a community equals $25,000

• A) either a one-tailed or two-tailed test could be used with equivalent results.
• B) a two-tailed test should be utilized.
• C) a one-tailed test should be utilized.
• D) none of the above

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Definitions:

SES

Social Economic Status; a measure of an individual's or group's economic and sociological standing, often based on income, education, and occupation.

IQ Scores

Numerical measurements derived from standardized tests designed to assess human intelligence.

Significant Correlation

A statistics term indicating a strong association between two variables, suggesting that when one changes, the other is likely to change in a predictable way.

Phenotype

The overt characteristics and behaviors of an organism.