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Mathematics, 10.11.2019 20:31 zitterkoph

Astudy of several cities shows a positive correlation between the percent of people who swim outdoors and the number of barbecue grills sold.

which statement is most likely true?

a. the correlation is due to a third variable: cost of milk.
b. the correlation is due to a third variable: weather.
c. swimming makes people hungry for a barbecue.
d. barbecuing makes people want to swim.

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