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Statement I: American workers are paid the highest hourly wages and fringe benefits in the world.
Statement II: The average hourly wage in the United States in 2008 was about $9.00.
Sample Mean
The average of a subset of a population, used to estimate the population mean.
Historical Standard Deviation
A measure of the amount of variation or dispersion of a set of historical data points, indicating how much the data points diverge from the historical mean.
Standardized Test
A test that is administered and scored in a consistent manner to ensure legal defensibility and fairness in measuring educational or cognitive abilities.
Test Statistic
A numerical value calculated from a statistical test's sample data, used to determine whether to reject the null hypothesis in the context of the test.
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