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Basic Statistics Class - Basic Statistics Class

This PHP Statistics class allows you to calculate the basic statistical formulas for a given array of scores(values) Statistics Scores (X values) Frequency (F values) FX (F * X) XminA (X - (X mean)) XminAsqr (X - (X mean) squared) Relative Frequency (RF) Relative Frequency Percentages (RF * 100 Cumulative Frequency (CF) Population Size (N) Sample Size (N - 1) Measures of Central Location Mean Median Mode Measures of Dispersion Sample Variance Population Variance Sample Standard Deviation Population Standard Deviation Range Interquartile Range Quartile 1, 2 and 3 Highest Value Lowest Value

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