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In World War II aviator POW's were in the study on psychological where you test whether the true mean post-traumatic stress disorder score of WWII aviator POW's is less then 16. Recall that x-bar = 9.00 and s = 9.32 for the sample of n = 33 POWs.

 

find out the p-value of test.

Statistics and Probability, Statistics

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