Position measurements

Position measurements

1. Are statistical indicators

   • They allow to summarize the data in a single one, or divide its distribution into intervals of the same size
   • used to measure and divide

2. The non-central

   • makes equal divisions in the ordered distribution of the data
     • The quartile:
       • Divide the distribution into four equal parts.
     • The quintile
       • Divide the distribution into five parts
     • The decile
       • which divides the data into ten equal parts
     • The percentile
       • This quantile divides the distribution in hundred parts

3. Are important

   • It is fundamental, main and basic in statistics
     • When we want to know information about a phenomenon
     • They help group and collect and code data.

4. The central

   • the arithmetic mean
     • They give us a weighted average of the data
   • The median
     • Divide the distribution into two equal parts
       • In this way, it expresses the value of the median, which is not the median
   • The statistical mode
     • informs us about the ones that are repeated most frequently

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