Formula For Getting Sample Size. Thus 186 sample size arrived at should be corrected adjusted for finite population. Z 2 p 1-p c 2.
Youll then be able to use a sample size formula to bring everything together and sample confidently knowing that there is a high probability that your survey is statistically accurate. If N100 then the corrected sample size would be 18600285 6526 or 66. If youd like to do the calculation by hand use the following formula.
This equation is for an unknown population size or a very large population size.
196 for 95 confidence level p percentage picking a choice expressed as decimal. The sample size for an infinite population as well as for a finite population is. 196 for 95 confidence level p percentage picking a choice expressed as decimal. If youd like to do the calculation by hand use the following formula.
