g Chart Formulas

QI Macros Can Calculate Them For You!

Draw a g Chart using QI Macros

  1. Select your data.
  2. Select g chart on QI Macros menu.
  3. QI Macros will do the math and draw the graph for you.

Go Deeper:

g Charts evaluate process stability when tracking rare events like:

  • surgeries between infections
  • days between accidents (safety)
  • days between wrong site or wrong patient surgeries

g Chart Formula

g chart formula

Center Line = 0.693*gbar

g = time or units between rare occurrences

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The g chart is just one of the tools included in QI Macros SPC Software for Excel.


Why Choose QI Macros Over Other Control Chart Software?

easy to use

Fast and Easy to Use

  • Works right in Excel
  • Create charts in seconds
  • Easy to customize & share charts
  • Free Training Anytime

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Proven and Trusted

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Affordable

  • Only $369 USD
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