# Title: Birth order and birth weight # 1: Birth weight in pounds # 2: Frequency, over 1932 first borns # 3: Frequency, over 307 8-th borns # # Reference: # J Millis, Y Seng, # The effect of age and parity of the mother on birth weight of the offspring, # Annals of Human Genetics, # Volume 19, pages 58-73, 1954. # 3.25 0 0 3.75 2 0 4.25 3 4 4.75 7 5 5.25 111 19 5.75 267 52 6.25 457 55 6.75 485 61 7.25 363 48 7.75 162 39 8.25 64 19 8.75 6 4 9.25 5 0 9.75 0 1 10.25 0 0 10.75 0 0