Please solve this.

11.- For some data you need to perform a two-tailed test about the population mean. You decide to use the Wm signed-rank test. If n = 15, c1 = 0.05, and W0 = 103 your conclusion is: (Note: copy of Wr'lcoxon Table V is on Page 4) Answer: Reject Ho Keep Ho 12.- A researcher wishes to determine whether the systolic blood pressure of people who follow a vegetarian diet is, on average, lower than the systolic blood pressure of those who do not follow a vegetarian diet. Independent simple random samples yielded the following sample statistics: Vegetarians Nometa rians (option: you can attach software output) [11 = 85 n; = 75 1 = 124.1 :72 = 138.7l 51:33.7 52:39.2 a) Use a = 0.10 to test the hypothesis H0101 = 02 versus HA101 i 02. Answer: Test statistic = Lower Critical Value = Upper Critical Value = P-value = l3] Use a = 0.01 to test the hypothesis Ho: :11 = 1.12 versus Hi: :11 at [.12. Answer: Test statistic = Lower Critical Value = Upper Critical Value = P-value = Table V Values of Wax n Wo.10 Wo.05 Wo.025 Wo.01 Wo.005 n 22 24 26 28 28 30 32 34 36 34 37 39 42 43 10 41 44 47 50 52 48 52 55 59 61 11 56 61 64 68 71 65 70 74 78 81 74 79 84 89 92 14 83 90 95 100 104 15 16 94 100 106 112 117 16 17 104 112 118 125 130 17 18 116 124 131 138 143 18 19 128 136 144 152 158 19 20 140 150 158 167 173 20