b) What is / are the critical value(s) for this test at a 0.05 alpha level? c) What is the standard error of the mean? d) What is the observed value of the appropriate test statistic? e) What is your decision regarding the stated hypotheses? 9) The table below represents data on a variable of interest collected from a single sample. It is known that the variable of interest has a mean of 25 in the general population. A researcher is interested in testing whether the population from which this sample was selected scores higher than the general population. (5 marks) a) What are the appropriate hypotheses for this analysis? b) What is / are the critical value(s) for this test at a 0.01 alpha level? c) What is the estimated standard error of the mean? d) What is the observed value of the appropriate test statistic? i e) What is your decision regarding the stated hypotheses? 10) Teachers at a particular private school thought that they were doing an exceptional job. In order to determine just how good their school was doing, they decided to have 200 of