Weighted Moving Average Control Charts

Create UWMA and EWMA Charts

Uniformly weighted moving average (UWMA) and exponentially weighted moving average (EWMA) charts are special types of control charts for means. They are launched from the Analyze > Quality and Process > Control Chart menu.

Figure 9.1 Example of an EWMA Control Chart 

Contents

Overview of Weighted Moving Average Charts

Examples of Weighted Moving Average Charts

UWMA Chart Example

EWMA Chart Example

Launch a Weighted Moving Average Chart Platform

Process Information

Limits Specifications

Specified Statistics

Weighted Moving Average Chart Reports

Weighted Moving Average Chart Platform Options

Window Options for Weighted Moving Average Charts

Chart Options for Weighted Moving Average Charts

Statistical Details for Weighted Moving Average Charts

Control Limits for UWMA Charts

Control Limits for EWMA Charts