Exam 14: Linear Regression and Multiple Correlation

If you were to develop a linear regression equation that predicts the number of victimizations from education, what would be the Y-intercept (a) of the regression equation? Pearson r = .29

A correlation matrix is ______.

If you were to develop a linear regression equation that predicts the number of arrests from years of education, what would be the Y-intercept (a) of the regression equation? Pearson r = .36

The goal of regression is to ______.

Use Table for Questions -Report the linear regression equation.

The main purpose of ______ is to ______.

Developing a linear regression equation requires calculating the slope (b) and ______.

Multiple correlation measures the combined relationship of all the predictors with the criterion.

For α = .05 and df = 4, 90, the critical value for the F-ratio would be ______.

Use Table for Questions -What is the slope (b) for the data?

In the following regression equation: Y′ = 2.85 + .05(X), 2.85 refers to the Y-intercept.

A researcher studying the relationship between people's perceptions of police on their feelings of safety in their neighborhood develops the following regression equation: YF' = 2.14 + .69(X). In this example, Y' refers to ______.

The linear regression equation represents ______.

In the regression equation: Y′ = 3.66 + .15(X). Y′ refers to the Y-intercept.

The purpose of ______ is to ______.

If you were to develop a linear regression equation that predicts the number of crimes from age, what would be the Y-intercept (a) of the regression equation? Pearson r = .30

Use Table for Questions -Calculate the Y-intercept.

For a sample of 65 students analyzing 3 predictor variables, what is the degrees of freedom for the denominator of the F-ratio equation?

______ may be defined as a family of statistical procedures assessing the relationship between two or more predictor variables and a criterion variable.

For α = .05 and df = 3, 20, the critical value for the F-ratio would be ______.