Nonstatistical methods of determining sample size include using a previous sample size, using a typical sample size, and using a magic number.

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Nonstatistical methods of determining sample size can include using a previous sample size or a typical sample size as a reference point, or even using a "magic number" based on intuition or practical considerations. However, these methods may not always provide the most accurate or reliable sample size determination. It is generally recommended to use statistical methods to determine sample size, based on factors such as desired level of precision, expected variability in the population, and statistical power.

Nonstatistical Methods of Determining Sample Size Include Using a Previous