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hydietanalysis MyDiet Analysis: P... Products Jones... AMA Foi A clinical trial is run to investigate the effectiveness of an experimental drug in reducing preterm delivery to a drug considered standard care and to a placebo Pregnant women are enrolled and randomly assigned to receive either the experimental drug the standard drug or a placebo Women are followed through delivery and classified as delivering preterm (< 37 weeks) or not. The data are shown below. Standard Drug Placebo Preterm Delivery Yes No Experimental Drug 15 83 23 79 40 67 Is there a statistically significant difference in the proportions of women delivering preterm among the three treatment groups? Run the test at a 5% level of significance Edit View Insert Format Tools Table 12pt Paragraph preterm among the three treatment groups are sig many different Chi-square Experimental X1 - 15 nl - 15+83 - 98 p1 - 15/98 1531 Standard X2-23 n2 - 23.79 - 102 p2-23/102-2255 104 worde e MacBook Pro