Introduction

Inspection

How Much to Inspect and How Often

Where to Inspect in the Process

Centralized versus On-Site Inspection

Statistical Process Control

Process Variability

Sampling and Sampling Distributions

The Control Process

Control Charts: The Voice of the Process

Control Charts for Variables

Control Charts for Attributes

Managerial Considerations Concerning Control Charts

Run Tests

Using Control Charts and Run Tests Together

What Happens When a Process Exhibits Possible Nonrandom Variation?

Process Capability

Capability Analysis

C_p

C_pk

Improving Process Capability

Taguchi Cost Function

Limitations of Capability Indexes

Operations Strategy

Cases: Toys, Inc.

Tiger Tools

Supplement: Acceptance Sampling