Krejcie And Morgan Sampling Table Pdf
Determining sample size for research activities.
Krejcie and morgan sampling table pdf. Psycholological measurement 1970. Determining sample size for research activities. Sample size estimation using krejcie and morgan and cohen statistical power analysis. Adapted from krejcie and morgan 1970 3 4 1 exclusion criteria.
To address the existing gap krejcie morgan 1970 came up with a table for determining sample size for a given population for easy reference. 607 610 อ างถ งใน ส จ ตรา บณยร ตพ นธ. 10 10 220 140 1200 291 15 14 230 144 1300 297 20 19 240 148 1400 302 25 24 250 152 1500 306. In order to generalize from a random sample and avoid sampling errors or biases a random sample needs to be of adequate size.
Krejcie and morgan 1970 have produced a table for determining required sample size given a finite population. Pdf the sample size is. Krejcie robert v morgan daryle w in educational and psychological measurement.
Krejcie morgan 1970. 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. Table for determining sample size from a given population n s n s n s. Krejcie university of minnesota duluth daryle w.
The table is applicable to any population of a defined finite size.