A Refrigerator Has a Coefficient of Performance 4

question 54

Multiple Choice

A refrigerator has a coefficient of performance 4.0.How much heat is exhausted to the hot reservoir when 400 kJ of heat are removed from the cold reservoir?

• A)500 kJ
• B)400 kJ
• C)100 kJ
• D)80 kJ
• E)Not enough information is given to answer this question.

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Definitions:

Attribution Theory

The psychological theory that explains how people infer the causes of their own and others' behavior, attributing it to either internal dispositions or external situations.

F-ratio

A statistical measure used in ANOVA tests to compare the variance among group means to the variance within groups.

P-value

The P-value is a statistical measure that helps determine the significance of results, indicating the probability of observing the given results by chance.

ANOVA

A statistical technique that assesses potential differences in a scale-level dependent variable by a nominal-level variable having two or more categories.