The Rate of Growth of Output Per Worker in the United

question 36

Multiple Choice

The rate of growth of output per worker in the United States between 1950 and 2009 was approximately equal to which of the following?

• A)1.9%
• B)3.8%
• C)4.8%
• D)5.8%

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Definitions:

Population Variance

A measure of the spread or distribution of a set of data values within an entire population.

Confidence Interval

A selection of values, extracted from sample analyses, believed to encompass the value of an unseen population parameter.

Sample Variance

The measure of dispersion within a sample data set, representing the average of the squared differences from the sample mean.

Chi-squared Distributed

A distribution used in hypothesis testing that is derived from the sum of squared deviations between observed and expected frequencies.