Need to know how many data points you should have to make an informed decision? This simple-to-use sample size calculator from FiveTwelve Group will tell you. You can use it to estimate the size and scope of a research project based on a wide range of variables:

• Small vs. large customer populations
• Low, medium, high confidence factors
• Low, medium, high margin of error
  

Download a free copy here. Basic instructions are included.

Read more about sample size, what it means, and how you should apply it to your research projects:

Milwaukee Misanthropes and Sample Size, Part 1

Milwaukee Misanthropes and Sample Size, Part 2