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. A simple equation in this ebook will help you put the migraine pills away and sample confidently.
Why Download this ebook?
Before you can calculate a sample size, you need to determine a few things about the target population. This ebook will walk you through an easy-to-follow sequence of determining an accurate sample size based on your:
- Population Size
- Margin of Error
- Confidence Level
- Standard of Deviation
Following the steps in this ebook will ensure you get the right size sample for your research.