# Example B from Cox and Snell, Applied Statistics (1981) # #family size; Birth interval; sequence MM MF FM FF 2 1-2 39.8 39.5 39.4 39.3 3 1-2 31.0 31.5 31.4 31.1 3 2-3 42.8 43.7 43.3 43.4 4 1-2 28.4 28.1 27.5 27.8 4 2-3 34.2 34.4 34.3 35.0 4 3-4 43.1 44.3 43.3 42.8 5 1-2 25.3 25.6 25.6 25.5 5 2-3 30.3 30.1 29.9 30.0 5 3-4 33.7 34.0 33.7 34.7 5 4-5 41.6 42.1 41.9 41.3 6 1-2 24.2 24.4 24.0 24.5 6 2-3 27.6 27.7 27.5 27.7 6 3-4 29.8 30.2 30.3 30.8 6 4-5 34.2 34.2 34.1 33.4 6 5-6 40.3 41.0 40.6 39.9