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STATISTICAL CONCEPTS

STATISTICAL CONCEPTS

  • PERCENTAGE VS PERCENTILE
  • MEAN VS MEDIAN
  • WHAT IS P VALUE
  • WHAT IS 95% CI
  • WHY STATISTICAL TEST?
  • WHAT STATISTICAL TEST TO USE?
  • WHAT IS BIAS?
  • SELECTION BIAS/ ...EACH TYPE OF BIAS WITH AN EXAMPLE
  • WHAT IS CONFOUNDING?
  • CONFOUNDING VS EFFECT MODIFICATION
  • MULTI COLLINEARITY
  • SD VS STANDARD ERROR
  • PARAMETRIC TEST VS NON PARAMETRIC TEST
  • CHI SQUARE TEST
  • T-TEST
  • FISHER’S EXACT TEST
  • YATE’S CONTINUITY CORRELATION
  • EACH TYPE OF GRAPH: HOW NOT TO MAKE A GRAPH SERIES….
    • PIE CHART
    • FREQUENCY DISTRIBUTION TABLE
    • BAR CHART
    • BOX AND WHISKER PLOT
    • LINE (TREND DIAGRAM)
    • SCATTER PLOT
    • KAPLAN MEYER CURVE
    • ROC CURVE