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 cap

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