Pain Relief Medication An experimental pain relief medication was tested on women experiencing prolonged labor (over 20 hours). A volunteer sample of 60 women in prolonged labor was randomly divided into two groups of 30. One group of 30 received the experimental medication, while the other group of 30 received a placebo. Hours of pain relief were recorded for all participants. The back-to-back stemplot below shows the distribution of pain relief hours for the experimental treatment and control groups. All women delivered within five hours of receiving either the experimental medication or the placebo. Control Treatment 9875 2 98875554220 25 8754432110 0246 43200 001122579 12355666788999 = W= O Key: 0] 1 |2 represents 1.0 hours of pain relief for a woman in the control group and 1.2 hours of pain relief for a woman in the treatment Eroup. A medical statistician calculates the descriptive statistics given below. , =1.96,s, =1.247,%, = 3.54,and 5., = 0.811