position measurements

position measurements

1. ·

   • they are values that allow the data set to be divided into equal percentage parts and are used to classify an observation within a population or sample

2. they are classified in:

   • quartiles
     • they are measures that are obtained from the ordered data and divide the set into four equal percentage parts
       • the data is divided into four equal quartiles: Q1=25%, Q2=50% Q3=75%
   • parades
     • • they divide the distribution into ten parts, in such a way that eact of them will contain 10%
         • the data is divided into ten equal parts deciles, it is calculated from D1 to D2
   • percentiles
     • they divided the distribution into one humdred part, each containig 1% of the observations
       • divide the data into 100 equal parts percentile parts, it is calculated from P1 to P99

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