Total Population Sampling Formula. N 1 1000 2 100 2 196 2 1932657 1 100 42610. Use the sample size formula.
Bio150y Censusing Populations from bio150.chass.utoronto.ca
We will always round this up therefore we will sample 43 of the 100 plots. N NX X N 1 where X Z α22 p 1-p MOE 2 and Z α2 is the critical value of the Normal distribution at α2 eg. 36 Data Collection Methods 361 Questionnaire Questionnaires were administered respondents.
This equation is for an unknown population size or a very large population size.
The z-score is the number of standard deviations a given proportion is away from the mean. Fill the N and e values into the formula n N. To find the right z-score to use refer to the table below. Gathering information about a population.
