Discussion bord 3 Assignment Example | Topics and Well Written Essays - 250 words

Discussion bord 3 - Assignment Example The process of determining the sample size that will produce valid and acceptable results with respect to the entire population involves a number of statistical calculations and inferences, popularly referred to as sample size calculator. The survey system developed a sample size calculator that plays a critical role in determining the effectiveness of the sample size to be used to generate a reliable information and characteristics about the population. In terming the sample size, the level of confidence and confidence interval are very important variables that must be considered (Snedecor, 2009). For instance, at 95% level of confidence with a confidence interval of 5, from a population of 100, a sample size of 80 would be appropriate in generating the desired characteristics about the entire population. Confidence interval is the measure of the marginal error that is acceptable. On the other hand, confidence level is the measure of accuracy and reliability of the results. At 95% confidence level, the certainty is the outcome is acceptable at 95% (Dattalo,