Chapter 5 Variance and Multiple Regression Illustration

Chapter 5 Correlation and Regression

Variance and Multiple Regression Illustration

Accounting for Variance in Y

This square represents variance in CVD

Accounting for Variance in Y

The different colors and patterns represent different CVD predictors

Accounting for Variance in Y Error

The orange color represents ERROR or unexplained variance in CVD

Accounting for Variance in Y

A

B

C

Consider the predictors of CVD

D

Accounting for Variance in Y D – it has 4 variables BUT the MOST error

A

B

C

Which model LEAST predicts CVD? Why?

D

Accounting for Variance in Y C – it has the LEAST error

A

B

C

Which model BEST predicts CVD? Why?

D