Sample Size Determination Using Krejcie and Morgan 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 and morgan table of determining sample size

Table 1: Table for Determining Sample Size for a Finite Population

krejcie-and-morgan-formula-for-determining-sample-size-

The Table is constructed using the following formula for determining sample size:

There is no need of using the formula since the table of determining sample size has all the provisions you require to arrive at your sample size.

Krejcie, R.V., & Morgan, D.W., (1970). Determining Sample Size for Research Activities. Educational and Psychological Measurement.

Small-Sample Techniques (1960). The NEA Research Bulletin, Vol. 38.

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