Stepwise regression carried out by adding variables to a multiple regression model until no additional model makes a significant contribution is called ________.
A) forward selection
B) backward elimination
C) general stepwise
D) parsimony
Question 2
The margin of error used in a confidence interval is found by ________.
A) multiplying the standard error and z/2
B) multiplying the population standard deviation and the sample size
C) dividing the population standard deviation by the sample size
D) multiplying the level of confidence and the standard error
heart model front
Eye Model
Lab Model: Lancelet
Critical Thinking Model
Media Practice Model
A model of transcription initiation as deduced from the crystal structure of TFIIB complexed