Examlex
Which of the following is the correct formula for the profit margin ratio?
Random Sampling
A method of sampling in which each member of a population has an equal chance of being selected to represent the whole.
Self-Report Methods
Research or assessment tools where individuals provide data about themselves, typically through questionnaires or interviews.
Participant Observation
A method used in social sciences where researchers immerse themselves in a community or situation to observe and participate in its activities, gaining an insider's perspective.
Random Assignment
A technique used in experiments to ensure that each participant has an equal chance of being placed in any group.
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