The Proportion of Minimum-Wage Earners Who Are in Families with Incomes

question 191

Multiple Choice

The proportion of minimum-wage earners who are in families with incomes below the poverty line is

• A)less than one-third.
• B)between one-third and one-half.
• C)between one-half and two-thirds.
• D)greater than two-thirds.

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Definitions:

Allowable Sampling Error

The maximum error that can be tolerated in the results from a sample survey, determined by the researcher.

Confidence Level

The probability that a confidence interval will capture the true population parameter, expressed as a percentage.

Population Variance

The average of the squared differences from the Mean, for the entire population.

Zα/2

The z-score that corresponds to the critical value for a two-tailed hypothesis test at a given significance level α.