Siminski, Peter (contributor) - 2008
Sample size 1995 2001 2004-05 Total
Treatment group 270 224 298 792
Comparison Group 1 (poorer) 3,896 2,263 2,711 8 … of P B S dr u gs t ak en
%
1995
2001
2004- 05
21
)e xp ()|( ' iiii xxyE
and by the Poisson process, the …