Summary

• Statistical estimation
  
  
  • Confidence interval
  
  
  
  


• Ranking & rating
  
  
  • Binomial proportion
    confidence intervals
    
    
    • Normal approx interval
    
    
    • Wilson interval
      
      
      • Hypothesis testing
        
        
        • Large sample size: z-test
        
        
        • Measurement data
          
          
          • Small sample size &
            normal distribution:
            unpaired t-test & paired
            t-test
          
          
          
          
        
        
        • Categorical data
          
          
          • Small sample size:  2 -
            test
          
          
          • Extremely small sample
            size: Fisher’s exact test
          
          
          
          
        
        
        • Non-parametric methods
          
          
          • Wilcoxon rank sum test
          
          
          • Wilcoxon matched
            pairs signed ranks test