How can you calculate sample size, reduce the margin of error and produce surveys with statistically significant results? In this short guide, we explain how you can improve your surveys and showcase some of the tools and resources you can leverage in the process.īut first, when it comes to market research, how many people do you need to interview to get results representative of the target population with the level of confidence that you are willing to accept?
What proportion of the target population do you need to interview to get results representative of the target population with the level of confidence that you are willing to accept? Introduction to sample size
