The following data give the weights (in pounds) for a random sample of 20 NFL players.
285 178 311 276 192 232 259 189 298 211
269 285 296 193 288 254 246 234 274 229
Test the hypothesis that the median weight of NFL players is 250 pounds against the alter- native that it is greater at α = 0.05, using (a) the large sample sign test and (b) the Wilcoxon signed rank test.