Line Graph in Excel

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Line Graph from QI Macros in Excel

Line Graphs show behavior of a process over time. It is the first step in defining a problem to be solved. Line graphs can show cycle time, defects or cost over time.

Line Graph in Exce

If you add a line showing the average to the line graph, you have what is called a Run chart.

Line Graph with an average line is a Run Chart

If you add upper and lower control limits and 1- and 2-sigma lines to your line graph, you have a control chart. A control chart will help you perform stability analysis on your data to identify potential problems and trends.

Line graph with sigma lines is a control chart

Line graphs, run charts, control charts and other Six Sigma and SPC charts are made easy using the QI Macros for Excel software.

Download the FREE 30-day Evaluation copy of the QI Macros Excel SPC Software for Six Sigma

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QI Macros Excel SPC Software for Histograms and Control Charts $139 Plus S&H

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The QI Macros for Excel $139, is an inexpensive easy to use set of Excel add-ins for statistical process control and Lean Six Sigma. It draws line, pie, bar, pareto, box whisker, histogram (Cp, Cpk), scatter and control charts (with stability analysis).

It contains over 70 fill in the blank templates such as the Ishikawa diagram, QFD, DOE, FMEA, PPAP, and Gage R&R for MSA. Performs ANOVA, t-test, F-test, and regression analysis.

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