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Mary Is Predicted to Score 140 on an Achievement Test

question 43

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Mary is predicted to score 140 on an achievement test where the mean was 130 and the standard deviation was 10. How likely is it that her actual score will be at or below 134, if the correlation coefficient between the predictor and the achievement test is .80?


Definitions:

Cooperative Behaviour

Actions and interactions aimed at achieving common goals or benefits through working together.

Evolutionarily Disadvantageous

Traits or behaviors that decrease the likelihood of an organism's survival and reproduction in its environment.

Prosocial Behaviour

Actions intended to benefit others without expecting anything in return, such as helping, sharing, or comforting.

Human Reactions

The responses or behaviors exhibited by individuals in response to external stimuli or situations, influenced by cognitive, emotional, and physical states.

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