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Tableau Community Forums Member (Inactive) (Salesforce) asked in #Tableau Desktop & Web Authoring
Jan 16, 2019, 2:30 PM

How can I make confidence intervals for these values?

Hi, I'm new to Tableau and also just started learning statistics this past week, so forgive me if I'm bad at explaining!

 

I was able to find the confidence interval for some of my other data sheets, but I've been struggling with this one.  I don't know what I need to find the standard deviation of to fill in this formula 1.96 * ( STDEV([% Of Correct Decisions]) / SQRT(COUNT( [% Of Correct Decisions] ))  ).  I did that but that was obviously wrong.

1 answer
  1. Jim Dehner - Tableau Visionary HoF (Market Analytics LLC)
    Jan 16, 2019, 2:34 PM

    Good morning

    Welcome to Tableau and the forum - see the link on how to get the most out of posing on the forum  Getting Started in the Forums

     

    Would like to see your TWBX workbook with the data to see your approach

     

    Tanks

    Jim

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