Krejcie And Morgan 1970 Sample Size Formula
To simplify the process of determining the sample size for a finite population krejcie morgan 1970 came up with a table using sample size formula for finite population.
Krejcie and morgan 1970 sample size formula. Estimation of sample size in was based on krejcie and morgan 1970 formula as below. S x 2np 1 p div. D 2 n 1 x 2p 1 p 3 8412 800 x 0 5 1 0 5 0 052 800 1 3 84120 5 800 1 260 sampling method purposive sampling was used to choose the seven companies that were sampled in the study. Krejcie university of minnesota duluth daryle w.
One of the most used method is the krejcie and morgan sampling method. Determining sample size for research activities. The ever increasing need for a representative statistical sample in empirical research has created the demand for an effective method of determining sample size. To address the existing gap krejcie morgan 1970 came up with a table for determining sample size for a given population for easy reference.
Published a formula for determining sample size. Determining sample size for research activities robert v.