rvations on 36 variables:</p><ul><li><p><strong>year:</strong> 1987 or 1990</p></li>
<li><p><strong>lowbrth:</strong> perc births low weight</p></li>
<li><p><strong>infmort:</strong> infant mortality rate</p></li>
<li><p><strong>afdcprt:</strong> # participants in AFDC, 1000s</p></li>
<li><p><strong>popul:</strong> population, 1000s</p></li>
<li><p><strong>pcinc:</strong> per capita income</p></li>
<li><p><strong>physic:</strong> # physicians, 1000s</p></li>
<li><p><strong>afdcprc:</strong> percent of pop i