hello
There isn't any correlation between gathering wealth and IQ. Many factors are involved on becoming rich and keeping themselves rich. If it was true, IQ and wealth involved, rich men would not lose their wealth never. Desire of success and power leads many persons with a medium IQ to become rich.
There would be no definite correlation. It would just be a random correlation that would be all over the graph because there is no trend in hair color and weight. Your weight doesn't determine your hair color.
Household sector is a term referring to the individual persons in individual households and their correlation to society, particularly the economy.
A high protein diet is good for a person with Type O blood because the stomach is able to digest these animal grains more easily than persons with other blood types.
There is no evidence that a persons shoe size has anything to do with how large their penis is
the amount of time between a persons birth and a persons death
No direct correlation, but some choose to be defined by race instead of any controllable factor. Many of these persons can be identified because they highlight their race instead of their individuality.
problems
SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
a process of mutual adaptation between persons or groups,
There is no relationship between a persons heredity and cancer
There are always possibilities that certain persons respond differently to scenarios presented in experiments. So, in order to get a better correlation between variables and outcomes, and to be able to determine outliers in the statistical data, the sample population in each is made as large as possible in each group.