Measures of position

Measures of position

1. What is it?

   • • Position measures are values ​​that allow dividing the data set into equal percentage parts and are used to classify an observation within a population or sample.

2. central position measures

   • half arithmetic
     • Also called average or simply mean
   • half geometric
     • is the nth root of the product of all numbers
   • median
     • middle number of a group of numbers
   • moda
     • average of the sum of the data

3. non-central position measurements

   • values ​​sorted in increasing order, divide the distribution into parts, each one contains the same number of frequencies
     • QUARTILES
       • IN 4 PARTS
     • deciles
       • IN 10 partS
     • percentiles
       • in 100 parts

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