Using the information from Question 5 and 6. What is your conclusion using alpha = .05 two-tailed. Remember to compare the obtained z score and the critical value of z for this study. Did the obtained z score fall into the zone of rejection? Reject Ho. The present class appears different than the national average. reconsider Ho; the present class is doing well enough in composition writing Reject both Ho and H1. the study is a total failure. Retain Ho. The present class is the same as the national average