Preliminary analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied Researchers randomly...

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Preliminary analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied Researchers randomly and independently selected 30 prisoners diagnosed with chronic posttraumatic stress disorder (PTSD) and 23 prisoners that were diagnosed with PTSD but had since recovered (remitted). Chronic 7₁ = 26.7 = 4 n = 30 Remitted X₂ = 23.5 $₂ = 9 "₂ = 23 Obtain a 95% confidence interval for the difference, ₁-₂, between the mean ages at arrest for prisoners with chronic PTSD and remitted PTSD. Preliminary analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied Researchers randomly and independently selected 30 prisoners diagnosed with chronic posttraumatic stress disorder (PTSD) and 23 prisoners that were diagnosed with PTSD but had since recovered (remitted). Chronic 7₁ = 26.7 = 4 n = 30 Remitted X₂ = 23.5 $₂ = 9 "₂ = 23 Obtain a 95% confidence interval for the difference, ₁-₂, between the mean ages at arrest for prisoners with chronic PTSD and remitted PTSD.