A new medication is being developed to treat severe morning sickness in pregnant women. The information below was generated from a small sample size (n = 6) and shows the number of times a woman with morning sickness vomited both before and after treatment. Set up and interpret the results of a sign test at the alpha equals .05 level to determine if there is a difference in symptoms before and after treatment. Pregnant Woman Before Treatment After Treatment Difference Sign 1 8 3 5 + 2 4 7 -3 - 3 6 5 1 + 4 8 10 -2 - 5 11 10 1 + 6 8 2 6 +