Preliminary analyses indicate that you can consider the assumptions for using nonpooled​ t-procedures satisfied. Researchers randomly and independently selected 28 prisoners diagnosed with chronic posttraumatic stress disorder​ (PTSD) and 23 prisoners that were diagnosed with PTSD but had since recovered​ (remitted). Obtain a ​95% confidence interval for the​ difference, ​, between the mean ages at arrest for prisoners with chronic PTSD and remitted PTSD

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices