Contents tagged with Statistics

  • Statistics of normal distribution

    Hello everybody,

    today I want to write few words about standards of normal distribution in statistics. 

    Take a look at the picture:

    This picture says the following. If you have normal distribution, than 68% of data fall in range    - σ

    more

  • Levels of measurements in statistics

    Hello everybody.

    Today I want to drop a short summary of different levels of measurrements in statistics.

    It's represented in following table:

     

     

    Difference

    Order

    Similar intervals

    Meaningful zero point

    Categorical

    Nominal

    +

    -

    -

    -

    Ordinal

    +

    +

    -

    -

    Quantitative

    Interval

    +

    +

    +

    -

    Ratio

    +

    +

    +

    +

     

    more