When Using Tests of Statistical Significance,the Odds That the Observed

question 12

Multiple Choice

When using tests of statistical significance,the odds that the observed difference was due to chance are stated as a

• A)percent variance.
• B)coefficient of correlation.
• C)probability.
• D)standard deviation.

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Definitions:

Baltimore & Ohio

The Baltimore and Ohio Railroad, established in 1827, notable for being one of the oldest railroads in the United States and a key development in American transportation history.

Depression

A severe and prolonged downturn in economic activity characterized by significant fall in spending and employment, often exemplified by the Great Depression of the 1930s.

National Guard

A reserve military force composed of state National Guard militia units, which operates under state and federal law, and is under the dual control of the state and the federal government.

Great Railroad Strike

A major labor strike in 1877 that began in the United States and quickly spread to multiple parts of the country, affecting many railroads and the broader economy.