The Current Population Survey (CPS) is a monthly survey of households conducted by the U.S. Census Bureau.
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The Current Population Survey (CPS) is a monthly survey of households conducted by the U.S. Census Bureau.
A CPS of 68,000 households in 2013 indicated that of those households, 9.6% of the whites, 27.2% of the blacks, 23.5% of the Hispanics, and 10.5% of the Asians had annual income below the poverty level.
(a) Are these numbers statistics, or parameters? Explain.
(b) A method from this text predicts that the percentage of all black households in the United States having income below the poverty level is at least 25% but no greater than 29%.What type of statistical method does this illustrate—
descriptive or inferential? Why?
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