Q5

Effects of depression medication. In clinical trials of the drug sertraline used for treating depression, subjects were measured using the Hamiltonian depression scale with results given below. Based on these results, test the claim that the two population means are different. Control: 1 = 22.4, $1 = 2.0, n1 = 29 Treatment: $2 = 19.0, $2 = 2.4, n2 = 29 The hypotheses for this test are: OHo: Hcontrol = Ptreatment Ha: Hcontrol > Htreatment O Ho: Hcontrol = Ptreatment Ha: Hcontrol