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What is the formula for standard deviation?
The original poster seeks clarification on the formula for standard deviation, a concept within statistics that measures the amount of variation or dispersion in a set of values.
The discussion includes various suggestions for resources and highlights the need for clarity regarding the context of standard deviation, though no consensus has been reached on a specific formula.
Participants note the importance of understanding whether the inquiry pertains to a probability distribution or a sample, which may affect the formula used.