Answer :
Sample plan describe how each sample element, or unit, is to be drawn from the total population. Correct option is b. sample plan.
The sample plan explains how the entire population will be used to choose each sample component or unit. In research studies that provide an outline on which research is conducted, the term "sample plan" is frequently used.
The specifics of which measurements will be done, when, on what material, how, and by whom are outlined in a sample plan. A sample plan should be created so that the data it generates contains a representative sample of the parameters of interest and enables the resolution of all the goals' posed issues. Once the sample plan is created, it can be checked before being given to the accountable parties for execution.
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