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StatsToDo : Sequential Unpaired Difference Between Two Means Program

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Related Links:
Sequential Analysis Introduction and Explained Page
Sequential (Unpaired) Analysis Explained Page
MacroPlot Help Page

Program References

Data is in 6 columns

  • Each row represents data from each consecutive observation in the same study
  • Col 1 to 3 = n, mean, sd of group 1
  • Col 4 to 6 = n, mean, sd of group 2
Click button to run program using example data,
or replace example data with real data and click button to run.
Probability of Type I Error (α) (two tail)
Power (1 - β)
Expected Difference Between Means
Within Group (Population) Standard Deviation
Ratio of sample size in the 2 groups(n1/n2)

MacroPlot Code