Examlex
In testing for differences between the means of two independent populations, the null hypothesis is
Railroad Industries
A sector centered around the development, maintenance, and operation of railways, which played a critical role in economic growth and the expansion of trade and transport in the 19th and early 20th centuries.
American Workforce
The labor pool in the United States, consisting of all individuals actively engaged in employment or seeking employment.
Worked For Wages
The concept or state of laboring in exchange for monetary compensation.
1890
Refers to the year known for significant events such as the Sherman Antitrust Act in the United States which aimed to combat monopolies.
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