I If the Coefficient of Correlation Is 0

question 66

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:

Mores

Societal norms or customs that embody the fundamental moral views of a group or society.

Otaku Culture

A subculture centered around the intense fandom of anime, manga, video games, and other aspects of Japanese pop culture.

East Influencing West

The process through which cultural, technological, or philosophical ideas from Eastern societies impact Western societies.

Real Culture

The actual behavior patterns, customs, and norms that characterize the everyday life of a society, as opposed to idealized cultural standards.