THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 119

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below.
-What does a coefficient of correlation of 0.80 indicate?

• A)Sixteen percent of the relationship between the dependent and independent variables are linear.
• B)Eight percent of the variation in the independent variable is explained by the dependent variable.
• C)Sixty four percent of the variation in the dependent variable is explained by the independent variable
• D)Eighty percent of the variation in the independent variable is explained by the dependent variable.

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Definitions:

Social Facilitation

The phenomenon by which an individual's performance improves when in the presence of others, due to increased arousal and motivation.

Expert Pool

A group or collection of individuals with specialized knowledge or expertise in particular areas who can be consulted for advice or information.

Simple Maze

A straightforward puzzle or labyrinth designed with a clear pathway from start to finish, often used in psychological experiments to study learning and memory.

Collective Hike

A group activity involving walking in the countryside or wilderness, undertaken as a collaborative effort.