position measurements

position measurements

1. are values ​​that allow dividing the data set into equal percentage parts

   • Non-central position measures
     • quartiles
       • that divide the distribution into four parts (correspond to the 0.25, 0.50 and 0.75 quantiles
     • deciles
       • that divide the distribution into ten parts;
     • percentiles
       • that divide the distribution into one hundred parts.
   • Central position measurements
     • Mean (arithmetic, geometric and harmonic)
       • is the sum of all measurements of the variable divided by the total number of observations
     • median
       • It is the value that occupies the central place of all the data when they are ordered from smallest to largest.
     • mode
       • is the value of the data series that appears most frequently
   • bibliographic references
     • https://ocw.unican.es/pluginfile.php/858/course/section/934/cap_2.pdf