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how to find population and sample size. This equation is for an unknown population size or a very large population size. The total number of people in the group you are trying to study.
E is the margin of error. So this is the sample. 258 2 05 1-05 001 2 665605 0500001 16641 The sample size for the chosen parameters should be 16641 which is a very large sample.
You can use the formula to calculate a sample size for a confidence level of 99 and margin of error -1 01 using the standard deviation suggestion of05.
The importance of socio-demographics in online surveys. If you have a small to moderate population and know all of the key values you should use the standard formula. 603 respondents are needed and that becomes your sample size. To recall the number of observation in a given sample population is known as sample size.