X Chart

File:Xbar Control Chart.png

An Example of a Xbar Control Chart

Xbar control charts are a type of process monitoring chart used when the characteristic being watched is variable. Xbar charts monitor the mean of the quality characteristic and are often combined with an R or S chart to monitor the variability.

Resources

Shewhart X-bar and R and S Control Charts NIST Engineering and Statistics Handbook

Xbar and R Chart Example clemson.edu

Forum Discussions

Does the type of out control point indicate root cause?

Control Chart Rules - Trend and Statistics Explainations

Related

Cumulative Sum Control Charts

Exponentially Weighted Moving Average (EWMA) Control Charts

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Auditing Information	8-D Problem Solving	Statistics	Error Proofing (Poka Yoke)	Brainstorming
Identifying Waste	Pull Systems	Lead Time Reduction	Planned Maintenance	Quick Setup
Discovering Change	Process Capability - Cp vs. Cpk	Histogram Animation	Process Loop Animation	Taguchi Loss Function
		Fishbone / Cause and Effects Animation