21. A new medicine is designed to reduce blood pressure, and is being tested in two doses (100 mg and 50 mg). A placebo group is also formed to compare against the two experimental groups. The...

Please graph the answer (Solve p =, z =, etc)

Extracted text: 21. A new medicine is designed to reduce blood pressure, and is being tested in two doses (100 mg and 50 mg). A placebo group is also formed to compare against the two experimental groups. The reduction in blood pressure among patients in each group is as follows: 100 mg 8 15 11 -2 11 17 18 -5 50 mg -4 9 7 -11 13 -5 24 31 -4 Placebo 3 9 -2 17 21 27 -8 14 -2 Can we say that there is a significant result in these findings? (a = .10) 20 21 23