5. In a(n) , all subjects of the population are studied. A) experiment B) sample survey C) census D) observational study

C) census

Explanation:Refers to a survey in which a data is collected from the whole population which is different form sample survey that takes only a sample that is representative of the whole population.

Census are usually done to collect some information that the government can use to understand the public citizens and in some states it is done every year.

thomas jefferson

explanation:

1190

step-by-step explanation:

1400 - 15% to get the answer.

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