1. Please answer the following True or False questions (each worth 2 points)

1. Control charts are used to determine root causes of the process variation.

TruexFalse _____

1. A process in control may produce unacceptable output.

True ______ False x

1. nP chart is used when the number of defects per unit is fixed at n

TruexFalse______

1. A Six Sigma process must have a process capability index of 2.0 or higher.

TruexFalse________

1. Random variations fall outside the control limits.

Truex False______

1. Run chart can be used as a measurement tool to track changes in a process over time.

True _____ Falsex

1. For a Normally distributed process the control limits are + - 3 times the standard deviation

Truex False________

1. Both X bar chart and R chart must be out of control for the process to be out of control

Truex False________

1. If you remove the control limits, a control chart is a trend chart

Truex False________

1. The correlation between two variables can be determined by a scatter plot.

Truex False________

1. Please answer the following multiple choice questions (each worth 4 points)):

		Which of the following tools are used to organize ideas. A) Pareto Chart B) Histogram C) Affinity Diagram D) Check sheets E) Process map
		Which of the following tools is used to analyze cycle time Control Chart B) Fishbone diagram C) Pareto Chart D) Process map E) Root Cause Analysis
		Which of the following is true of common cause variation? A) It is uncontrollable. B) It is centered around the mean. C) It is inherent in the process. D) All of the above. E) None of the above An X bar chart is used to monitor _________. Process Dispersion Variation of the baseline Trend in standard deviation Variation of the Mean
		Atrue 3 Sigma Process should not have more than _______defects per million opportunities 6,210 3.4 2700 66,807