#112

If you computed correlation coefficient r = +1.2 on your scatter diagram, which of the following is true?

A	You have a better than perfect positive correlation
B	You have no residual error
C	You have an error in your calculations
D	Your value of 1.2 exceeds the critical value or 1.0, and there is a strong correlation

#111

Which of the following does NOT represent a criteria for control charting?

A	Record the data in time sequence
B	Recalculate the control limits when the process has significantly changed
C	If there is an abundance of data, it is generally better to use an X-bar-R chart rather than an ImR (a.k.a. XmR) chart
D	Use the average range for calculating the control limits of the X-bar portion of the X-bar-R are chart