57. A research study was conducted to examine the clinical efcacy of a new anti-anxiety medication. Anxious patients were randomly assigned to one of three groups: a placebo group (no drug), a group that received a low dose of the dmg. and a group that received a moderate dose of the drug. After four weeks of treatment. the patients completed the Smith Anxiety Inventory. The data are presented below. 1) Do these data indicate any signicant differences among the three treatments? Test with a= .05. 2) Be sure to state grout null hypothesis. and make an overall conclusion including an APA style statement. 3) Explain what you might do next and why. (7 POINTS) No Drug Low Moderate Dose Dose 17 16 29 14 24 21 G = 315 22 20 27 2x2 = 6853 19 21 23 18 19 25 T=90 T=125 88:34 SS=40