Examlex
Immigrants often saw America as a land of opportunity. What was the reality of the opportunity for most immigrants? Did an immigrant's ethnic background-German, Irish, Chinese, Slavic, French-Canadian-have an effect on his or her place in America, particularly in the work force? Explain.
Variability Within Groups
The extent of variation or differences within a group of data points, often used in statistical analysis to assess homogeneity.
Chance
The occurrence of events in the absence of any obvious intention or cause, often quantified as probability.
Grouping Factor
A variable used to categorize data into different groups for analysis in statistical tests.
Treatment Variables
Variables in an experiment that are manipulated or changed in order to observe their effects on other variables.
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