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An advertisement for A-1 Motor Oil states that in a survey of auto mechanics across the...

An advertisement for A-1 Motor Oil states that in a survey of auto mechanics across the country, the majority of them use A-1 Motor Oil in their own vehicles.

a. correlation does not imply causality b. voluntary response survey c. self-interest survey d. poorly worded questions

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milcah answered 9 months ago
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