When testing for multicollinearity, a regression can be run in which one of the suspected independent variables becomes the dependent variable and the other is the independent variable.

True

False

A multiple regression model that has been shown to suffer from multicollinearity can not be used even for predictive purposes.

True

False

Predictions when using a multiple regression equation can take which of the following forms.

Point estimate

Interval estimate

Neither of the above

Both of the above

Multicollinearity cannot occur in a simple linear regression model.

True

False

The challenge in a DOE is to find the combination of _________________ capable of producing an optimal response.

output levels

experiments

fractional trials

factor levels