The coefficient of determination r2 is the ratio of which two types of variations? What does r2 measure? What does 1-r² measure?
The coefficient of determination r2 is the ratio of which two types of variations? What does r2 measure? What does 1-r² measure?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Don’t explain just ans from part A-C by labeling like part A ans is b....
Transcribed Image Text:The coefficient of determination r2 is the ratio of which two types of variations? What does r2 measure? What does 1-r² measure?
The coeffcient of determination is the ratio of the explained variation to the total variation.
O A. The coefficient of determination is the ratio of the explained variation to
the total variation.
O B. The coefficient of determination is the ratio of the total variation to the
explained variation.
O C. The coefficient of determination is the ratio of the unexplained variation to O D. The coefficient of determination is the ratio of the total variation to the
unexplained variation.
the total variation.
Choose the correct answer below.
O A. The coefficient of determination is the percent of the predicted values that O B. The coefficient of determination is a measure of how closely two
equal the actual data values.
variables vary together.
OC. The coefficient of determination is the percent of the variation that is
unexplained.
O D. The coefficient of determination is the percent of variation of y that is
explained by the relationship between x and y.
Choose the correct answer below.
Transcribed Image Text:Choose the correct answer below.
O A. The value 1-r2 is a measure of how closely two variables vary together.
O B. The value 1-r2 is the percent of the variation that is unexplained.
O C. The value 1-r2 is the percent of variation of y that is explained by the relationship between x and y.
D. The value 1-r2 is the percent of the predicted values that equal the actual data values.
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