Business statistics

Business statistics

1. Statistical Functionality= (charts, graphs

2. Statistical functions= (averages, probabilities, confidence, linear fit, among many others).

3. Frequency Analysis= single variables

   • absolute terms
     • the total number of observations.
       • add them or count them
   • relative terms
     • fraction or proportion of all observations in a class
       • frequency / total number
         • divide the frequency by the total number of observations. divide the frequency by the total number of observations.
   • cumulative terms
     • adding the frequency one by one

4. Frequency Analysis= two variables

   • Cross Tabulations
     • show the relationship in a table format
     • Pivot Table
       • Access Pivot Table through Insert – Table-Pivot Table
   • Scatter Diagrams = show the dispersion of paired values for the variables
   • Graphs = if there a relatioonship

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