Six Points Have These Coordinates: the Normal Probability Plot

question 38

Essay

Six points have these coordinates: The normal probability plot and the residuals versus fitted values plots generated by Minitab are shown below. Does it appear that any regression assumptions have been violated?
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Explain.
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Definitions:

Knowledge Bias

Knowledge bias is the tendency to distort or interpret information in a way that confirms one’s preexisting beliefs or knowledge.

Drug Companies

Firms involved in the research, development, production, and marketing of medications and pharmaceutical products.

Halo Effect

A cognitive bias where positive impressions in one area lead to positive assessments or assumptions in other areas, often unrelated.

Associative-cluster Effect

Describes how ideas or memories are linked together in the mind, leading to the easy recall of associated information when a related concept is encountered.