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

 

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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