Finite Population Sample Size Calculator. This expression holds in the case that the population size is infinite in which case the sampling processes can be considered as sampling with replacement. The importance of socio-demographics in online surveys.
Population size This is the total number of distinct individuals in your population. The target size population - this allows for the finite population correction which when the target population is small results in a smaller sample size. If your population is large but you dont know how large you can conservatively use 100000.
Z Z value eg.
An estimate of the percent of the observations with the characteristic. The total number of people in the group you are trying to study. Usually this is from census data. The 5th column reports about this assumption.
