Given the Least Squares Regression Line $\tilde { y } = - 2.48 + 1.63 x$

question 222

Multiple Choice

Given the least squares regression line $\tilde { y } = - 2.48 + 1.63 x$ , and a coefficient of determination of 0.81, the coefficient of correlation is:

• A)-0.66
• B)0.81
• C)-0.90
• D)0.90

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Definitions:

Generativity

Refers to the concern for establishing and guiding the next generation, commonly associated with midlife.

Middle Age

A period of human adulthood that typically ranges from around 40 to 65 years of age, often marked by increased personal, social, and professional responsibilities.

Correlates Positively

Describes a relationship where an increase in one variable is associated with an increase in another variable.

Income

The amount of money received on a regular basis, typically for work or through investments.