• Overview
• Data considerations
• Example

• Enter your data
• Scale
• Labels
• Multiple graphs
• Data options
• I-MR-R/S options

• Key results
• All statistics and graphs

• Standard deviations
• Estimating sigma for the I chart and the MR chart
• Estimating sigma for the R chart or the S chart
• I chart
• MR chart
• R chart
• S chart
• Unbiasing constants d2(), d3(), and d4()
• Unbiasing constants c4() and c5()
• Unbiasing constant c4'()