From the Data Bank, choose a sample and use the sign test to test one of the following hypotheses.
a. For serum cholesterol, test H₀ : median = 220 milligram percent (mg%).
b. For systolic pressure, test H₀ : median = 120 millimeters of mercury (mm Hg).

c. For IQ, test H₀ : median = 100.
d. For sodium level, test H₀ : median = 140 mEq/l.

Data from in Data Bank

 

Data Bank ID number 01 02 03 04 05 06 07 08 09 10 11 12 13 14 Age Educational level Smoking status 48 25 Exercise 27 2 1 1 18 1 0 1 32 2 0 0 24 2 0 1 19 1 2 0 56 1 0 0 65 1 2 0 36 2 1 0 43 1 0 1 47 1 1 1 3 1 2 2 2 3 63 0 1 0 37 2 0 3 Weight Serum cholesterol 170 187 Systolic pressure 193 210 196 208 188 206 1Q Sodium Gender 120 126 118 136 145 120 105 137 M 118 128 115 135 F 162 129 108 142 M M 106 119 106 133 F S 143 136 111 138 F W 160 240 131 99 140 M W 215 215 163 106 151 M D 127 201 132 111 134 F M 132 215 138 109 135 F D 196 199 148 115 146 M D 109 210 115 114 141 F S 242 149 101 152 F D 193 142 109 144 M M MSM Marital status LL