**TI83F*  |STDERROR|z?*PROBLEM)TYPE*+*1qPROPORTION*+E+*2qPROPORTIONS*+A+*2qPROP)POOLED*+B+*1qMEAN*+C+*2qMEANS*+D?E??*b(j*+P?*bj*+N?P1qPNS?4+1+*SEb(j*?4+7+S??A??*b)j*+P?*b-j*+N?*b*j*+R?*b0j*+O?P1qPNpR1qROS?6+1+*b)qb*j*?6+7+PqR?7+1+*SEb)qb*j*?7+11+S??B??*b)j*+P?*b-j*+N?*b*j*+R?*b0j*+O?NPpRONpOD?D1qDNpD1qDOS?6+1+*b)qb*j*?6+7+PqR?7+1+*SEb()POOOLEDj*?8+2+S?5+1+*b()COMBINDj*?5+12+D??C??*bj*+S?*bj*+N?SND?4+1+*SEbj*?4+7+D??D??*b,j*+P?*b-j*+N?*b/j*+R?*b0j*+O?P NpR OS?P NpR O 1Nq1P N p1Oq1R O D?5+1+*SEb+qb.j*?6+2+S?8+1+*b'j*?8+4+D?٪