I If the Coefficient of Correlation Is 0

question 43

Multiple Choice

i. If the coefficient of correlation is 0.80, what is the coefficient of determination? ii. What is a measure of the scatter of observed values around the regression line called?
iii. If the correlation between sales and advertising is + 0.6, what percent of the variation in sales can be attributed to advertising?

• A) 0.4; standard deviation; 0.3.
• B) 0.64; standard error of the estimate; 36%.
• C) 0.64; standard error of the estimate; 60%.
• D) 0.08; variation; 36%.
• E) 0.4; standard error of the estimate; 60%.

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Definitions:

Approach-Avoidance

A psychological conflict that occurs when a single goal or situation has both attractive and unattractive aspects, leading to ambivalence about pursuing it.

Intrapersonal Conflict

A psychological struggle within an individual, stemming from competing needs, desires, or emotions.

Workplace Violence

Incidents of aggressive behavior, physical assaults, or threatening conduct in work settings, affecting worker safety and well-being.

Interpersonal Conflict

A disagreement or clash between individuals due to differences in opinions, values, or interests.