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Outline Outline – Continued Learning Objectives When you complete this supplement, you should be able to: Identify or Define: Learning Objectives When you complete this supplement, you should be able to: Identify or Define: Learning Objectives When you complete this supplement, you should be able to: Identify or Define: Learning Objectives When you complete this supplement, you should be able to: Describe or Explain: Statistical Process Control (SPC) Variability is inherent in every process Natural or common causes Special or assignable causes Provides a statistical signal when assignable causes are present Detect and eliminate assignable causes of variation Natural Variations Assignable Variations Samples Samples Samples Samples Samples Control Charts Types of Data Central Limit Theorem Process Control Population and Sampling Distributions Sampling Distribution Steps In Creating Control Charts Control Charts for Variables Setting Chart Limits Setting Control Limits Setting Control Limits Setting Chart Limits Control Chart Factors Setting Control Limits Setting Control Limits Setting Control Limits R – Chart Setting Chart Limits Setting Control Limits Mean and Range Charts Mean and Range Charts Automated Control Charts Control Charts for Attributes Control Limits for p-Charts p-Chart for Data Entry p-Chart for Data Entry p-Chart for Data Entry Control Limits for c-Charts c-Chart for Cab Company Patterns in Control Charts Patterns in Control Charts Patterns in Control Charts Patterns in Control Charts Patterns in Control Charts Patterns in Control Charts Which Control Chart to Use Which Control Chart to Use Which Control Chart to Use Process Capability Process Capability Ratio Process Capability Ratio Process Capability Ratio Process Capability Ratio Process Capability Index Process Capability Index Process Capability Index Process Capability Index Interpreting Cpk Acceptance Sampling Operating Characteristic Curve The “Perfect” OC Curve AQL and LTPD Producer’s and