• Variables Charts for Subgroups
Xbar-S Chart
Before You Start
  • Overview
  • Data considerations
  • Example
Perform the analysis
  • Enter your data
  • Scale
  • Labels
  • Multiple graphs
  • Data options
  • Xbar-S options
Interpret the results
  • Key results
  • All statistics and graphs
Methods and formulas
  • Estimating sigma
  • Xbar chart
  • S chart
  • Box-Cox