Business, 20.09.2019 17:10 ughpali

select a brief description of the association between age and blood pressure among these employees.
a. the percentage of employees having low blood pressure increases and the percentage having high blood pressure decreases as they age.
b. the percentage of employees having low blood pressure decreases and the percentage having high blood pressure decreases as they age.
c. the percentage of employees having low blood pressure decreases and the percentage having high blood pressure increases as they age.
d. the percentage of employees having low blood pressure increases and the percentage having high blood pressure increases as they age.
does this prove that people's blood pressure levels increase as they age? explain.
a. no, because only a controlled experiment can isolate the relationship between age and blood pressure.
b. yes, because this data can be applied to all people.
c. no, because there are no other variables linked to both blood pressure and age.
d. yes, because an association between two variables implies a cause-effect relationship.

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