I If the Coefficient of Determination Is 0

question 122

Multiple Choice

i. If the coefficient of determination is 0.81, what is the coefficient of correlation? ii. If the coefficient of correlation is -0.81, what is the coefficient of determination?
iii. If the dependent variable is measured in dollars, in what units is the standard error of estimate measured?

• A) +/-0.9; 0.6561; dollars squared.
• B) +/-0.9; 0.6561; dollars.
• C) 0.6561; 0.9; dollars.
• D) 0.6561; +/-0.9; dollars squared.
• E) 0.9; -0.9; dollars squared.

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Definitions:

Room Temperature

A commonly accepted range of air temperature that is comfortable for humans, typically around 20°C to 22°C (68°F to 72°F).

Interactions

The influences or impacts that different factors may have on one another within an experimental or observational study.

Room Illumination

The level or intensity of light in a room, which can affect mood, performance, and visual clarity.

Room Temperature

The ambient temperature that is considered comfortable for humans, typically around 20-22 degrees Celsius (68-72 degrees Fahrenheit).