Question

How to adjust frequency in statistics formula?

Answer 1

Population mean = μ = ( Σ Xi ) / N.Population standard deviation = σ = sqrt [ Σ ( Xi- μ )2 / N ]Population variance = σ2 = Σ ( Xi - μ )2 / N.Variance of population proportion = σP2 = PQ / n.Standardized score = Z = (X - μ) / σ

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