Simple Regression Is Sometimes Called Ordinary Least-Squares Regression Because the Equation

question 12

Multiple Choice

Simple regression is sometimes called ordinary least-squares regression because the equation:

• A) Requires information about r squared
• B) Minimizes the value of r squared
• C) Is equal to the sum of squared prediction errors
• D) Minimizes the sum of squares of prediction errors

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Definitions:

Normally Distributed

Describes a symmetrical, bell-shaped distribution of data where most values cluster around the mean.

IQ Scores

A measure of an individual's cognitive ability compared to the population, typically represented as a numerical value derived from standardized tests.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together, revealing the strength and direction of a relationship between them.