Daniel 1999 Sample Size. Your answer will indicate your necessary sample size. The effective sample size is the actual sample size divided by the design effect.
Sample size for proportions. Provides a collection of 106 free online statistics calculators organized into 29 different categories that allow scientists researchers students or anyone else to quickly and easily perform accurate statistical calculations. Also provides a complete set of formulas and scientific references for each statistical calculator.
N z2 p 1 - p e2.
Moreover taking a too large sample size would also escalate the cost of study. The effective sample size is the actual sample size divided by the design effect. Suggestion is given in the 4th column. Provides a collection of 106 free online statistics calculators organized into 29 different categories that allow scientists researchers students or anyone else to quickly and easily perform accurate statistical calculations.
