The six most common sources of variation are people, machines, ...

[Themember4]

The six most common sources of variation are people, machines, materials, methods, measurement, and environment.
 
  Indicate whether the statement is true or false

Question 2

Standard stepwise regression is a good way of identifying potential multicollinearity problems since we are able to see the impact on the model at each step that occurs when a new variable is added to the model.
 
  For instance, if bringing in a new variable causes the sign to change on a previously entered variable, we have evidence of multicollinearity. Indicate whether the statement is true or false

[Brummell1998]

Answer to Question 1

TRUE

Answer to Question 2

TRUE

[Themember4]

Thank you

[Brummell1998]

Happy to help you