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    Home > Methodology > Education > School Life Expectancy  

Methodology - School Life Expectancy

The average school life expectancy is 11.7 years with a standard deviation of 3.4 years. The maximum number is 20 years (Australia) while the minimum is 2 years (Zimbabwe).

Using the mean and standard deviation an assumed normal distribution has been calculated. The probability of a value equals the points, i.e. a probability of 20% equals 2o points.

Source

United Nations:  last update 1 August 2006

 
 

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