An elementary school student comes down with a stomach virus the day after she swims at the local pool. Her father warns other parents at the school that the pool is unsanitary and causes virus to...

An elementary school student comes down with a stomach virus the day after she swims at the local pool. Her father warns other parents at the school that the pool is unsanitary and causes virus to spread. What should the parents conclude? Choose the best answer. The pool is indeed unsanitary and causes viruses to spread. The pool is not unsanitary and does not cause viruses to spread. There is an association between people visiting the pool and increased reports of viruses. There is no association between people visiting the pool and increased reports of viruses. Nothing can be concluded because this is an anecdote.