g Chart Formulas
QI Macros Can Calculate Them For You!
Draw a g Chart using QI Macros
- Select your data.
- Select g chart on QI Macros menu.
- QI Macros will do the math and draw the graph for you.
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
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?
Fast and Easy to Use
- Works right in Excel
- Create charts in seconds
- Easy to customize & share charts
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