Krejcie And Morgan Formula Pdf

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 and morgan formula pdf. Krejcie and morgan 1970 and b cohen statistical power analysis. Adapted from krejcie and morgan 1970 3 4 1 exclusion criteria. Krejcie and morgan s 1970 formula as they assume an alpha of 05 and a degree of accuracy of 05 discussed later. 607 610 อ างถ งใน ส จ ตรา บณยร ตพ นธ.

S x2np 1 p d2 n 1 x2p 1 p s required sample size. S required sample size. Perbedaannya slovin memakai pendekatan distribusi normal sementara krejcie dan morgan menggunakan pendekatan distribusi c2.

Determining sample size for research activities. Krejcie morgan hanya dapat digunakan untuk penelitian yang bertujuan mengukur proporsi populasi. Sample size estimation using krejcie and morgan and cohen statistical power analysis. Krejcie robert v morgan daryle w in educational and psychological measurement.

Regrettably a table has not bee available for ready easy reference which could have been constructed using the following formula. The ever increasing need for a representative statistical sample in empirical research has created the demand for an effective method of determining sample size. However these two formulas are used more than any others. Krejcie and morgan estimation of sample size in research using krejcie and morgan is a commonly employed method.

Krejcie and morgan s sample size determination table population sample 10 10 15 14 20 19 25 24 30 28 35 32 40 36 45 40 50 44 55 48 60 52 65 56 70 59 75 63 80 66 85 70 90 73 95 76 100 80 110 86 source. Other formulas are available. Psycholological measurement 1970. 2 rumus slovin dan tabel krejcie morgan sama sama mengasumsikan tingkat keandalan 95.

X2 the table value of chi square for 1 degree of freedom at the desired confidence level 3 841. Published a formula for determining sample size. S x 2np 1 p d2 n 1 x 2p 1 p.