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formula for calculating sample size in research. The calculation of the sample size is as shown below. Therefore our sample size is 207 low income earners that will be drawn randomly from Abakaliki metropolises.
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The confidence interval also called margin of error is the plus-or-minus figure usually reported in newspaper or television opinion poll results. 196 for 95 confidence level p percentage picking a choice expressed as decimal. 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.
Use the sample size formula.
The formula to calculate sample size is. 4 pp426-432 Mason M. Here is an example of how the math works assuming you chose a 90 confidence level 6 standard deviation and a margin of error confidence interval of - 4. This equation is for an unknown population size or a very large population size.
