A connection that can be made of economic statistics and standard fo living is that better economic statistics lead to better standard of living statistics.
If human capital is improved upon, then it will improve an economic category by boosting productivity.
What does the graph show?
The graph shows that when there are better economy figures, there will be a higher standard of living.
For instance, the U.S. GDP per capita is higher than India's and as a result, the life expectancy and HDI is higher in the U.S. as well.
We can infer that if human capital is improved upon by for instance, improving educational funding, there will be increased productivity in the country as more people will be educated. This will then increase GDP.
In conclusion, standard of living is positively related to economic growth.
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