Examlex
Which of the following statements is true about the importance of education to blacks after Reconstruction?
Aggregate Data
consists of data combined from several measurements, making it possible to provide statistical analysis on a larger scale.
Experimental Design
A methodological layout of research where variables are manipulated to determine their effect on a dependent variable under controlled conditions.
Hypothesis Testing
A statistical method used to determine the likelihood that a hypothesis about a data set is true, based on sample data.
Difference
The state or measure of not being identical or the same; a distinction that can exist between entities or concepts.
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