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A student worked on her statistics project in the library and found a reference book that...

A student worked on her statistics project in the library and found a reference book that contained the median family incomes for all 50 states. On her project, she would report her data as being collected____.

from a survey

from a published source

observationally

from a designed experiment

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A student worked on her statistics project in the library and found a reference book that contained the median family incomes for all 50 states. On her project, she would report her data as being collected____.

from a survey

from a published source

observationally

from a designed experiment

Answer is from a published source

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