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5. STATISTICS 







5.1 Introduction to Statistics (Scores, frequency, class intervals)(Scores, frequency, class intervals) 
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5.2 Graphical representation of data (Bar, pie charts)(Bar, pie charts) 
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5.3 Mean, Median and Mode for ungrouped data 
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5.4 Dispersion (Deviation) of data(Mean, Median, Mode, Measures of dispersion, Range, Deviations, Mean Deviation,Histogram, frequency polygon, Ogive) 
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5.5 Standard Deviation (Ungrouped data, Grouped Data, Step deviation method, Variance, Co â€“efficient of variation) 
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