Biostatistics

Organisation and Presentation of Qualitative & Quantitative Data

Presentation of Data There are two main methods of presenting data of a variable character or a variable. A) Tabulation/Tabular Presentation B) Drawing/Graphical Presentation   Tabulation Tabulation are devices for presenting data from a mass of statistical data. Preparation of frequency distribution table is that the first requirement. Tables are …

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Measures of Central Value,Symmetrical & Asymmetrical Distributions,Skewness,Kurtosis

Average  Average value of a characteristic is the one central value around which all other observations are dispersed.In any large series, nearly 50% observations lie above while other 50% lie below the central value.It indicates how the values lie near the centre. **Average is the measure of central tendency or …

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