risoners. A. Ehlers et al. studied various charac- eristics of political prisoners from the former East Germany and presented their findings in the paper "Posttraumatic Stress Disor- er (PTSD) Following Political Imprisonment: The Role of Mental Defeat, Alienation, and Perceived Permanent Change" (Journal of bnormal Psychology, Vol. 109, pp. 45-55). According to the arti- le, the mean duration of imprisonment for 32 patients with chronic PTSD was 33.4 months. Assuming that o = 42 months, determine a 5% confidence interval for the mean duration of imprisonment, , of all East German political prisoners with chronic PTSD. Interpret your answer in words.

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8.73 Political Prisoners. A. Ehlers et al. studied various charac-
teristics of political prisoners from the former East Germany and
presented their findings in the paper "Posttraumatic Stress Disor-
der (PTSD) Following Political Imprisonment: The Role of Mental
Defeat, Alienation, and Perceived Permanent Change" (Journal of
Abnormal Psychology, Vol. 109, pp. 45-55). According to the arti-
cle, the mean duration of imprisonment for 32 patients with chronic
PTSD was 33.4 months. Assuming that o = 42 months, determine a
95% confidence interval for the mean duration of imprisonment, u,
of all East German political prisoners with chronic PTSD. Interpret
your answer in words.
Transcribed Image Text:8.73 Political Prisoners. A. Ehlers et al. studied various charac- teristics of political prisoners from the former East Germany and presented their findings in the paper "Posttraumatic Stress Disor- der (PTSD) Following Political Imprisonment: The Role of Mental Defeat, Alienation, and Perceived Permanent Change" (Journal of Abnormal Psychology, Vol. 109, pp. 45-55). According to the arti- cle, the mean duration of imprisonment for 32 patients with chronic PTSD was 33.4 months. Assuming that o = 42 months, determine a 95% confidence interval for the mean duration of imprisonment, u, of all East German political prisoners with chronic PTSD. Interpret your answer in words.
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