Sample Size Calculator
How many people do you need to survey in order to generate a meaningful result? This Sample Size Calculator will help you find out. Let’s say you have 10,000 customers and you’d like to determine with a 95% confidence level how they will react to your new pricing plan, with a confidence interval of 4% (meaning results will be indicative, plus or minus 4%, of … [ Read more ]
Content: Online Resource | Source: Creative Research Systems | Subjects: Market Research, Statistics