Please give explanation for True / False answers.
1. Even the most carefully designed processes cannot eliminate all traces of variation.
True or False
2. Six sigma focuses on monitoring_________ in processes
a) delays
b) waste
c) variation
d) error
3. The reason that Six Sigma standards may not be set for a process is that standards this high may be costly to achieve.
True or False
4. The intercept in a multiple linear regression model indicates the increase in the dependent variable for a unit increase in all the independent variables.
True or False
5. A second independent variable has been added to a multiple regression model. When the first simple linear regression model was run, that independent variable was found to be significant. SInce this variable was proven to be significant in the simple linear model, it will definitely remain significant once an additional independent variables added.
True or False