Determining The Sample Size Using Slovins Formula. Use the sample size formula Plug in your Z-score standard of deviation and confidence interval into the sample size calculator or use this sample size formula to work it out yourself. Therefore the sample size can be calculated using the formula as 10000 196 2 05 1-05 005 2 10000 1 196 2 05 1-05 005 2 Therefore 370 customers will be adequate for deriving meaningful inference.
Identifying sample size is key to determining whether data accurately reflects the population as a whole. - its a random sampling technique formula to estimate sampling size -It is computed as n N 1Ne2. N a sample size N population size e desired margin of error allowance for non-precision because of the use of sample instead of the population 6.
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Sample Size Calculator for Categorical Data a Infinite Population using below formula. Where n is the sample size N is the population size and e is the level of precision. If the population is N then the corrected sample size should be 186N N185. Also in taking the sample population needed for the study using the Slovins formula was used which can help to determine a sample size.
