A researcher was interested in the relationship between two variables: school satisfaction (measured on a multi-item likert scale) and GPA. They found that the coefficient of determination (r2) was .32. What is the correct interpretation of the coefficient of determination (r2).   Group of answer choices 32% of the variation in school satisfaction is related to the variation in GPA. School satisfaction causes 32% of a student’s GPA. GPA causes 32% of a student’s school satisfaction. 32% of the variation is unaccounted for and may be explained by other variables.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.