Given the Least Squares Regression Line , and a Coefficient

question 54

Multiple Choice

Given the least squares regression line , 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:

Metric Measurement

A system of measurement based on meters, liters, and grams as units of length, volume, and weight respectively.

Joules

A unit of energy in the International System of Units (SI), equivalent to the energy transferred to an object when a force of one newton moves it one meter in the direction of its application.

U.S. Standard Measurement

A system of measurement used primarily in the United States, including units such as inches, feet, and pounds.