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Regression

Teacher: Mrs. Key
Horizontales
A stray point.
This type of variable is plotted on the x-axis
R * (Sy/ Sx)
The types of variables required to regress the model of the data.
In this type of association, as the x variable increases so does the y variable.
The data must be___enough to fit a LSRL to the data.
R squared is the coefficient of ____.
The overall pattern in a scatter plot: Strength, ___, & Form.
This type of variable is plotted on the y-axis.
If the linear model is appropriate, the residual plot will have no _____
When the relationship is perfectly linear the absolute value of r is this.
The correlation ___ is a measure of how well the line fits the data.
Verticales
This type of line is another name for Line of Best Fit.
The Strength, Direction, & Form between two variables
The observed value minus the predicted value.
In this type of association, as the x variable increases the y variable decreases.
This notation is placed on the y variable to represent that the response variable is predicted by the LSRL.
Statistical study of the relationship between two variables.
A graph with points plotted to show a possible relationship between two variables.
The initial value of the data.
A nonlinear association such as exponential or quadratic
Correlation only measures strength of ___ relationships.
Linear, quadratic, exponential, curved-All ways to descibe this