Krejcie And Morgan Formula

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 and morgan formula. Determining sample size for research activities. Krejcie and morgan 1970 used the following formula to determine sampling size. One of the most used method is the krejcie and morgan sampling method. Based on the krejcie and morgan s sample size calculation which same as using the krejcie and morgan s sample size determination table.

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. Krejcie morgan 1970 m s 607 610 sampel kajian dipilih secara rawak dengan 100 kehadiran dalam kumpulan d dan e. Sample size estimation using krejcie and morgan and cohen statistical power analysis.

S x 2np 1 p div. The krejcie and morgan s sample size. Estimation of sample size in was based on krejcie and morgan 1970 formula as below. The tea processing factories were clustered in terms of departments units and in each.

These formulas for determining the sample size provide identical sample sizes in cases where the researcher adjusts the tabulated value based on the size of the population which should be less than or equal to 120. 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 robert v morgan daryle w in educational and psychological measurement. In this article i wanna explain about krejcie and morgan method.

Krejcie and morgan s 1970 developed the formulas for determining the sample size for categorical types of data. The sample size determination table 3 0 is derivative from the sample size calculation which expressed as below equation 3 1 krejcie and morgan 1970.