The average cost of tuition plus room and board at for a small private liberal arts college is reported to be $9,250 per term, but a nancial administrator believes that the average cost is higher. A study conducted using 350 small liberal arts colleges showed that the average cost per term is $9,570. The population standard deviation is $1,200. Let a = 0.05. What is the test statistic for this test? points Multiple Choice eEook O +1.373 4.99 i439 O 0 +4.99 0