Problem

A city comparison finds that fires with more firefighters tend to have more property damage. State the warranted association claim and assess causation, reverse direction, and larger fire severity as a common cause.

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Firefighters cause property damage because the cities with more firefighters had more damage, and no alternative explanation is needed.

There is no association between firefighter count and property damage because observational comparisons cannot describe relationships.

Firefighter count is associated with property damage, but it does not establish that firefighters cause damage; larger fires plausibly cause both more firefighters and more damage.

Property damage causes firefighters to arrive because the association proves that reverse explanation.

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A city comparison finds that fires with more firefighters tend to have more property damage. State the warranted association claim and assess causation, reverse direction, and larger fire severity as a common cause.

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