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Scullion Scullion
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Posts: 1378
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7 years ago
A T.V. show's executives commissioned a study to gauge the impact of the show's ratings on the sales of its advertisers.
A) Experimental
B) Observational
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JoannaMillsJoannaMills
wrote...
Posts: 478
7 years ago
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Scullion Author
wrote...
7 years ago
My exam is literally tomorrow!

thanks
wrote...
7 years ago
Good luck on your exam!
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