Control Chart Builder

Chart Type

Data Input

Format: date, value1, value2, value3, ...

Data preview will appear here

Sample Size (n)

Sigma Limits

Chart Title

About X-bar Charts

X-bar charts monitor the process mean over time. Use for continuous data like measurements, weights, or times. Each data point represents a sample mean.

Statistical Basis: Normal Distribution - assumes data follows a normal distribution

Control Chart Basics

Control charts help distinguish between common cause variation (inherent to the process) and special cause variation (due to external factors). Points outside control limits indicate special causes.