Test 2: Correlation. Given the following data of 26 observations: X Y X 165 130 172 167 133 159 180 150 168 155 128 174 212 151 183 175 146 215 190 150 195 210 140 180 200 148 143 149 125 240 158 133 235 169 135 192 170 150 187 Y 153 128 132 149 158 150 163 156 124 170 165 160 159

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