Statistics

Statistics

1. Scales

   • Measurement
     • Nominal
     • Interval
     • Ordinal
     • Ratio
   • Cualitative
   • Cuantitative
     • Discret
     • Continous

2. Data representations

   • Circular Graph
   • Lines graph
   • Steam and leaf
   • Bars Graph
   • Historigram

3. Measures of central tendencies

   • Mode
     • The most repeated value
   • Median
     • Central value in the list
   • Avarage
     • The sum of the values, divided by the number of total values

4. Measures of dispersions

   • Range
     • Difference between the highest and lowest values
   • Standard deviation
     • Sum of differences of values over the number of values
   • Coefficient of variation
     • Standard deviation over the median, by 100