An animal rescue group tracks how their marketing impacts the pet adoptions that occur each year. A record of adoptions for a 12-month period is shown below, in which the adoption status is sorted according to social media use for those cases.

	Featured on Social Media	Not Featured on Social Media	Total
Animal adopted	138	76	214
Animal not adopted	78	62	140
Total	216	138	354

Which of the following gives the best evidence of association between social media use and adoption of an animal?