Chapter 16 - Regression

Question 1

Regression

Answer 1

• continuous DV from a continuous IV by estimating the relationship

Question 2

Simple regression

Answer 2

• prediction equation using only one predictor and one criterion variable

Question 3

Multiple regression

Answer 3

• predicting one criterion with many predictors

Question 4

Multicollinearity

Answer 4

• predictors should not be too highly correlated with each other

Question 5

Regression equation

Answer 5

• y = a + bx

Question 6

Least squares

Answer 6

• minimize the squared distance between actual y values and predicted y values

Question 7

S (yhat - y)

Answer 7

• precision of the regression

Question 8

SEE

Answer 8

• measures accuracy of the regression model
• smaller = accurate prediction

Question 9

High R2 and small SEE

Answer 9

• good predictive power