Statistical Methods

         Questions:       1 Select top 30 countries   from this list according to their GDP (201&)     and Calculate their   average Per-capita GDP      What is the standard   deviation in GDP per capita for this group?   

 2 -Test the Hypothesis that   US's GDP per capita is same as that of the average of these group  

 3- Select bottom 30 countries from this list according to   their GDP (2019)      What is the average GDP   growth rate for these group of countries?   

 4- Test the hypothesis that   the average gdp growth rate of the bottom 30 countries      is greater than the   average gdp growth rate of the top 30 countries. 

   5- Test the hypothesis that   Share of World GDP does not depend on the gdp growth rate