RANK OBSERVED EXPECTED (O-E)^2/E SUM

r<=28 40000 211.4 7488157.097 7488157.097
r=29 0 5134.0 5134.011 7493291.107
r=30 0 23103.0 23103.048 7516394.155
r=31 0 11551.5 11551.524 7527945.678

chi-square = 7527945.678 with df = 3; p-value = 0.000