Using the regression formula with a slope = .704 and intercept = .719, what would the predicted college GPA be for a student whose current high school GPA = 3.2?
2.97
If you are trying to predict Y scores from X scores, X is referred to as the __________.
Predictor variable
Which of the following is the point at which the regression line crosses the y-axis?
Intercept
Based on the formula for a regression line, what does a represent?
y intercept
How would you represent the predicted score of Y based on a known value of X?
Y'
A regression equation can be visually represented on a ____________.
Scatter plot
In a scatter plot, if all data points were aligned along a 45� angle, your correlation would be:
Perfect
What is the distance between each data point and the regression line called?
Error of the estimate
Using the regression formula with a slope = 2000 and intercept = 15000, what would the predicted income be for someone who has 16 years of education?
47000
Based on the formula for a regression line, what does b represent?
Slope of a line
What must be used to examine an outcome that is predicted from two independent variables?
Multiple regression
Which of the following determines the direction of the regression line?
Slope
In regression, the criterion variable is also known as the ____________.
Dependent variable
When computing a predicted value, your second step is to:
Add the intercept, or a, to the value of step one
Which of the following is like a standard deviation for all error scores in regression?
Standard error of the estimate
Which of the following symbols is associated with the predicted score in the regression equation?
Y'
When using two predictor variables, these variables should be ___________
Independent
To predict one variable from another, you must first:
Compute the correlation
If the absolute value of your correlation coefficient is 1, your error in prediction will be:
0
Which of the following is the correct formula for linear regression?
Which of the following is the correct formula for linear regression?
A positive trend line is associated with what type of slope?
Positive slope
If you are trying to predict Y scores from X scores, Y is referred to as the ________.
Criterion variable
In multiple regression, added variables must be related to the outcome variable but ______________ with/of each other.
Both B and C
If the absolute value of your correlation is very close to 0, your error in prediction will be:
high
What statistical technique is used to make predictions of future outcomes based on present data?
Linear regression