Control Chart Constants Table
QI Macros has the constants BUILT IN!
Statistical constants are used for both variable control charts like the XmR, XbarR and XandS charts and in process capability calculations. These constants are determined based on the subgroup size.
Control Chart Constants used in QI Macros calculations
Other Capability Analysis and Control Chart Formulas
Stop Struggling with Control Charts!
Start creating your Control Charts in just minutes.
Download a free 30-day trial. Get Control Charts now!
Why Choose QI Macros Over Other Control Chart Software?
Fast and Easy to Use
- Works right in Excel
- Create charts in seconds
- Easy to customize & share charts
- Free Training Anytime
Proven and Trusted
- More than 100,000 users
- In More than 80 countries
- Five Star CNET Rating - Virus free
Affordable
- Only $349 USD
Quantity Discounts Available - No annual subscription fees
- Free technical support
