Cochran Formula For Unknown Population. Mar 03 2020 If the population size is unknown what sample size Thus 186 sample size arrived at should be corrected adjusted for finite population. The sample size for an infinite unknown population and for a finite known population is given as.
Gert Van Dessel - December 2018 reply. Sampling is related with the selection of a subset of individuals from within a population to estimate the characteristics of whole population. Here n 0 is Cochrans sample size recommendation N is the population size and n is the new adjusted sample size.
Sampling is related with the selection of a subset of individuals from within a population to estimate the characteristics of whole population.
We adopt the notation where capital letters refer to char-acteristics of the population. For unknown population to calculate the sample size the population parameter is always taken as 50 with 5 margin of errors p z 196 of 95 confidence interval. L Ey E L WhYh w yh hl hl snce the estimates are unbiased in individual strata. How can we determine the sample size from an unknown population.
