An erroneous inference that may occur because an association observed between variables on an aggregate level does not necessarily reflect the association at an individual level is known as an:.A. Odds Ratio.
B. Ecological correlation.
C. Ecological fallacy.
D. None of the above.

C. Ecological fallacy

Explanation:

Fallacy means the misleading general conclusion reached about something without considering factors that might have influenced it to arrive at the wrong conclusion.

The erroneous inference drawn from an aggregrate levels in a study which on the long wrong does not reflect the association at an individual level is known as Ecological fallacy. Example could be the an erroneous inference about a state being filled with people less than 4ft high (Height) which considering that on an individual level, so many people could be 6ft in height.

the united states constitution is the supreme law of the united states. the constitution, originally comprising seven articles, delineates the national frame of government. its first three articles embody the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral congress; the executive, consisting of the president; and the judicial, consisting of the supreme court and other federal courts. articles four, five and six embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relationship to the federal government, and the shared process of constitutional amendment. article seven establishes the procedure subsequently used by the thirteen states to ratify it. it is regarded as the oldest written and codified national constitution in force.