Statistics

Statistics

1. Variable types

   • Quantitative
     • Continuous variable
       • It is one that can take values ​​between two numbers.
     • discrete variable
       • It is one that takes isolated values, that is, it does not admit intermediate values ​​between two specific values.
   • Qualitative
     • ordinal variable
       • presents non-numerical modalities in which there is an order
     • nominal variable
       • presents non-numerical modalities that do not admit a criterion of order

2. Measures of central tendency

   • arithmetic measure
     • known as the mean or average, it is represented by a letter M or by an X with a line at the top
   • Median
     • is the score located in the center of a distribution is represented as Md
   • Fashion
     • is the most frequently represented score in a distribution

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