What Are Data

question 28

Multiple Choice

What are data?

• A) Raw facts
• B) Processed information
• C) Inputted items that produce information
• D) None of these is correct.

Distinguish between job losers, job leavers, and their impact on unemployment metrics.

Realize the role of unemployment benefits and job search behavior in the unemployment rate.

Understand the gender differences in labor-force participation and its trends over time.

Understand the causes and development of atherosclerosis and its relationship to coronary heart disease.

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Definitions:

Test Statistic

A value calculated from sample data during a hypothesis test that is used to determine whether to reject the null hypothesis.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Pooled Standard Error

A method to estimate the standard error across two or more samples by combining the individual standard deviations into a single measure, often used in t-tests.

Confidence Interval

A variety of values obtained from sample data that probably encompasses the value of an unspecified population characteristic.