Statistical Process Control Toolkit

Enter your process data below in CSV or tab-separated format (subgroups one per line) or individual values for I-MR. First-row labels are automatically skipped if non-numeric. Choose a chart type (X-bar/R, X-bar/S, Individuals, p, np, c, u), review the quick Excel prep note, optionally load an example, then click Analyze Process.

Data Input

Data (CSV or Tab-Separated):

Subgroup Size (n):

Used for X-bar/R, X-bar/S, and I-MR. Attribute charts (p, np, c, u) use defect counts and sample sizes instead.

USL:

LSL:

Control Limits Sigma (k):

Chart Type:

Statistical Process Control Toolkit

Data Input

Analysis Results