Question: A. State null and alternative hypothesisB. Identify Iv and DvC. Solve t-test for dependent samples 2. A researcher studies the effect of drug (MAO inhibitor)

A. State null and alternative hypothesisB. Identify Iv and DvC. Solve t-test for dependent samples

2. A researcher studies the effect of drug (MAO inhibitor) on the number of nightmares occurring in veterans with post-traumatic stress disorder. A sample of PTSD clients records each incident of nightmare fro I month before treatembnt. Participants are then given the medication for 1 month, and they continue to report each occurrence of nightmare. Does the MAO inhibitor reduce nightmare? Participant Before After Difference 6 1 10 2 3 0 5 5 Mean Sd As part of your answer please

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