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The veterinary researchers wanted to know if housing might be related to whether

ID: 3290280 • Letter: T

Question

The veterinary researchers wanted to know if housing might be related to whether or not a horse develops enteroliths. Attached are side-by-side pie charts of housing for horses with enteroliths (cases) and horses without (controls). Based on these charts, it is reasonable to conclude that: A. cases are less likely to be housed in pasture. B. cases are more likely to be housed in pasture. C. it cannot be determined from the pie chart. D. cases and controls are equally likely to be housed in a pasture.

Explanation / Answer

A. Cases are less likely to be housed in pasture.

(The area shown in red, for pasture is less for cases)