If Two Samples Are Selected Independently from Two Non-Normal Populations,then $\bar { X } _ { 1 } - \bar { X } _ { 2 }$

question 10

True/False

If two samples are selected independently from two non-normal populations,then the sampling distribution of $\bar { X } _ { 1 } - \bar { X } _ { 2 }$ is only approximately normal provided that either n₁ or n₂ is 30 or more.

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Definitions:

Human Behavior

The range of actions and mannerisms exhibited by humans, influenced by culture, attitudes, emotions, values, ethics, authority, rapport, hypnosis, persuasion, coercion, and/or genetics.

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The strategies, techniques, and procedures used in the investigation of phenomena, acquisition of new knowledge, or correction and integration of previous knowledge.

Experimental

Pertaining to or based on a methodical plan or procedure to establish cause and effect by testing hypotheses and controlling variables.

Correlational

Pertaining to a statistical relationship between two or more variables, indicating how one may predict the other without implying causation.