In deciding whether or not to accept or reject the null hypothesis, consider what mistakes you might be making and determine if the hypotheses are incorrect or not. Since test statistics exceed the critical values, rejection might be the course if assuming the true mean=60 as according to http://answers.yahoo.com/question/index?qid=20080831100641AAnCPZH. According to
. http://wiki.answers.com/Q/Fail_to_reject_the_null_hypothesis_rather_than_Accept_the_null_hypothesis the null hypothesis is a negative and therefore cannot be proven. To see videos of rejecting the null hypotheses go to http://www.yentering.com/reject+null+hypothesis for news and gossip as well. On accepting the hypothesis, however, see the pdf file format download at businessbookmail.com using a p-value at http://www.businessbookmall.com/IS%20LSHTPS22.pdf