Power and Precisiona computer program for statistical power analysis and confidential intervals

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What's Power Analysis?
      power analysis
      precision analysis
      in context

Software Overview
      product tour
      comments & reviews
      client list
      survival analysis
      order now

Software Support
      download version 4
      download software manual (20,927K)

Free Trial Download

Product Brochures
      general brochure
            high res download (2110K)
            low res download (648K)

      survival analysis brochure
            high res download (2101K)
            low res download (696K)

About Biostat
      funded by NIH
      links to related sites

Contact Us

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