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INTRODUCTION AND MEASURE OF CENTRAL TENDENCY

INTRODUCTION AND MEASURE OF CENTRAL TENDENCY. STATISTIC IS A BRANCH OF MATHEMATICS THAT WHICH DEALS WITH:. C OLLECTION OF DATA ARRANGING THE DATA REPRESENTING THE DATA ANALYSING THE DATA FOR SOME FRUITFUL PURPOSE. DATA COLLECTED CAN BE ARRANGED IN THE FOLLOWING WAYS:.

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INTRODUCTION AND MEASURE OF CENTRAL TENDENCY

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  1. INTRODUCTION AND MEASURE OF CENTRAL TENDENCY

  2. STATISTIC IS A BRANCH OF MATHEMATICS THAT WHICH DEALS WITH: • COLLECTION OF DATA • ARRANGING THE DATA • REPRESENTING THE DATA • ANALYSING THE DATA FOR SOME FRUITFUL PURPOSE

  3. DATA COLLECTED CAN BE ARRANGED IN THE FOLLOWING WAYS: • ASCENDING OR DESCENDING ORDERS • UNIVARIATE FREQUENCY DISTRUBUTION TABLE • BIVARIATE FREQUENCY DISTRUBUTION TABLE

  4. UNIVARIATE FREQUENCY DISTRUBUTION TABLE

  5. BIVARIATE FREQUENCY DISTRUBUTION TABLE

  6. DATA CAN BE REPRESENTED BY: • BAR DIAGRAMS, PIE CHARTS • HISTOGRAMS • FREQUENCY POLYGON • OGIVE CURVES

  7. BAR DIAGRAMS, PIE CHARTS

  8. HISTOGRAMS AND FREQUENCY POLYGON

  9. OGIVE CURVES

  10. STATISTICAL DATA CAMN BE CLASSIFIED INTO • UNGROUPED/ RAW DATA • UNGROUPED FREQUENCY DISTRIBUTION • GROUPED FREQUENCY DISTRIBUTION • CONTINUOUS CLASS INTERVAL • NON-CONTINUOUS CLASS INTERVAL

  11. A PARTICULAR OBJECT/ASPECT UNDER INVESTIGATION IS CALLED A VARIABLE/ATTRIBUTE THERE ARE TWO TYPES OF VARIABLES • DISCRETE • CONTINUOUS

  12. ANALYSIS OF THE STATISTICAL DATA CAN BE DONE BY • MEASURING THE CENTRAL TENDENCY • MEASURING THE SPREAD OR DISPERSION

  13. THANK YOU

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