Determining Sample Size

A simple equation in this ebook will help you put the migraine pills away and sample confidently. You will walk through an easy-to-follow sequence of determining an accurate sample size to ensure you get the right size sample for your research.

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What you will learn from this eBook

  • Population Size
  • Margin of Error (Confidence Interval)
  • Confidence Level
  • Standard of Deviation

How many responses do you really need? This simple question is a never-ending quandary for researchers.

A larger sample can yield more accurate results — but excessive responses can be pricey. Consequential research requires an understanding of the statistics that drive sample size decisions.

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