Please Define the Following Key Terms

question 46

Essay

Please define the following key terms. Show Who? What? Where? When? Why Important?
-pig pron

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Definitions:

Directional Research Hypothesis

A hypothesis that indicates the anticipated direction of the difference or relationship among variables.

Null Hypothesis

A type of hypothesis used in statistics that proposes that no statistical significance exists in a set of given observations.

Research Hypothesis

A specific, testable prediction about the expected outcome of a study.

Representative Sample

A segment of the population that precisely mirrors the characteristics of the whole population.