position measurements

position measurements

1. divide a set of data into groups with the same number of individuals

   • features
     • data sorted from least to greatest
     • they are statistical indicators
     • are susceptible to algebraic calculation

2. types of position measurements

   • central
     • are statistical measures that aim to summarize a set of values ​​in a single value
       • median
         • not affected by extremes
         • qualitative and quantitative variables
       • fashion
         • represents the most repeated value
         • qualitative and quantitative variables
       • half
         • affected by extreme values
         • quantitative variables
         • no sparse data
         • not representative
   • quantiles
     • divide the frequency distribution
       • divide the set into 4 equal parts
   • percentiles
     • form of comparison of results
       • divide a set into 100 equal parts
         • obtaining 1% of the observations
   • deciles
     • divide the frequency distribution into 10 equal parts
       • is designated by the letter Do

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