Section 2

Process Control and Capability require a firm understanding of the concept of variation and how it is measured. In this section, we present the fundamental concepts related to variation, quality, process control, process capability, and basic statistics.

This section includes details on:

• The concept of variation
• The normal distribution
• Control Chart concepts and examples
• Specification limits vs. control limits
• Defining quality
• Averages vs. individuals
• Sources of variation (common vs. special)
• Process capability concepts
• Stability vs. Capability
• Basic statistics for central tendency & variation