All of the factors that are needed to determine the required sample size are within the control of the decision maker.

Question

Quizplus · Accepted Answer

Some factors influencing the required sample size, such as the population variability and the desired confidence level, are not directly controllable by the decision maker. Population variability is an inherent characteristic of the population being studied, and while the confidence level can be chosen, it is constrained by practical considerations of accuracy and cost.

All of the Factors That Are Needed to Determine the Required