Determinants Of Optimal Sample Size. For example for a population of 10000 your sample size will be 370 for confidence level 95 and margin of erro 5. If N100 then the corrected sample.
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Using Taro Yamane formula to arrive at the sampling size. Practical guide to social science research methodology. Moreover taking a too large sample size would also escalate the cost of study.
The aim of the statistician will in general be to give some estimates with highest possible accuracy 1.
For correction of continuity and high degree of accuracy one need to increase the sample size by 2 Pe - Pc. Rule of Thumb 6. By Svein Nordbotten Oslo. Its equation can be derived by using population size the critical value of the normal distribution sample proportion and margin of error.
