A sample of 60 mutual funds was taken and the mean return in the sample was 13% with a standard deviation of 6.9%. The return on a particular index of stocks (against which the mutual funds are compared) was 11.5%. What is the null and alternative hypothesis when testing the hypothesis (at the 5% level of significance) that the actively-manages mutual funds had a statistically significantly greater return than the index of stocks? A sample of 60 mutual funds was taken and the mean return in the sample was 13% with a standard deviation of 6.9%. The return on a particular index of stocks (against which the mutual funds are compared) was 11.5%. What is the null and alternative hypothesis when testing the hypothesis (at the 5% level of significance) that the actively-manages mutual funds had a statistically significantly greater return than the index of stocks?