File talk:Normal distribution pdf.png

set samples 1001 set terminal postscript enhanced color solid lw 2 "Times-Roman" 20 set output

set xrange [-5:5] set xtics 1 set yrange [0:1] set ytics 0.1

f(x,y,z) = dnorm(x, y, sqrt(z)) #use variance, not sd! set key 3.8,0.94

1. f(x,y,z) = pnorm(x, y, sqrt(z))
2. set key 3.8,0.2

plot \