Stepwise regression carried out by adding variables to a multiple ...

[PhilipSeeMore]

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

[firehawk60]

Answer to Question 1

A

Answer to Question 2

A