An ecologic study conducted in the US has shown a positive correlation between the milk consumption and state-wide income (states that consume more milk have higher average levels of income).
Can the researcher conclude that an individual who drinks milk will have much higher levels of income when compared to non milk drinkers?
Explain your answer to receive full credit.
#. No, the researcher can't conclude that an individual who drinks milk will have much higher levels of income as compared to non milk drinkers.
The study took the statistics of overall population of a state, not of the particular individual present in the population of a state . The study reveals that the state where more milk is consumed they have more income . It is not talking about an individual , it's talking about the overall impact of milk consumption on a state which comes out to be positive in terms of income ( the income got by selling the milk to the consumers )
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