Match the following correctly If we do not reject Ho: mu 1 = mu 2, then the confidence interval on the difference in means between 1 & 2 should If we favor Ha: mu 1 > mu 2, then the confidence interval on the difference in means between 1 & 2 should If we favor Ha: mu 1 < mu 2, then the confidence interval on the difference in means between 1 & 2 should 1. include 0 2. do not include 0 3. result in values that are all positive 4. result in values that are all negative