=+12.37 ● According to Census Bureau data, in 1998 the California population consisted of 50.7% whites, 6.6%

blacks, 30.6% Hispanics, 10.8% Asians, and 1.3% other ethnic groups. Suppose that a random sample of 1000 students graduating from California colleges and universities in 1998 resulted in the accompanying data on ethnic group. These data are consistent with summary statistics