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Measure of Dispersion: Meaning, objective and Types of dispersion, Absolute and Relative measure of dispersion, Range, Interquartile range, Quartile deviation, Mean deviation, Standard deviation: Meaning and formula, Mathematical properties, Chebyshev’s theorem, The empirical rule, Variance, Combined standard deviation, Coefficient of variation. Illustrative examples.Skewness: Symmetric distribution, meaning of skewness, Skewed distribution, dispersion and skewness, Tests of skewness, Measures of skewness: Karl Pearson method, Bowley’s method, Kelly’s method. Illustrative examples.
Clipping is a handy way to collect and organize the most important slides from a presentation. You can keep your great finds in clipboards organized around topics.