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Plot the residuals against the predicted values of y. Does the variance appear to be constant?
Convergent Thinking
A type of thinking that aims to find a single, correct solution to a problem by focusing knowledge and reasoning.
Functional Fixedness
A cognitive bias that limits a person to using an object only in the way it is traditionally used, hindering problem-solving.
Inner Motivation
The personal drive to do something that comes from within an individual, rather than from external pressures or rewards.
Dogmatic Thinking
An approach to understanding the world that involves strong beliefs or doctrines that are not open to question or skepticism.
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