TRUE OR FALSE

In the R output. of a simple linear regression, the multiple H2 equals r2, the squared correlation coefcient between the response and the explanatory variable. Answer: In order to use a categorical (factor) variable with 5 levels as predictor in multiple linear regression, we need to include 4 indicator (dummy) variables in the regression model. Answer: A correlation of (1.2 between two variables indicates stronger linear association than a correlation of .6. Answer: The following plot suggests the equal error variance assumption ma},r not be valid in a multiple linear regression. Ta .5 a . g .I-iI'III o: 8 | 2 4 6 8 10 Fitted Values