The Duration of Life And Conditions Associated With Longevity. a Study of the Hyde Genealogy
The book The Duration of Life And Conditions Associated With Longevity. a Study of the Hyde Genealogy was written by author Alexander Graham Bell Here you can read free online of The Duration of Life And Conditions Associated With Longevity. a Study of the Hyde Genealogy book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Duration of Life And Conditions Associated With Longevity. a Study of the Hyde Genealogy a good or bad book?
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Mother's age at death. Stated. -40 40-60 60-80 80 + Stated ' Under 20 20 and under 40 40 and under 60 60 and under 80 80 and over 1,805 511 407 379 360 148 191 88 42 27 26 8 1 435 129 104 92 80 30 713 199 176 159 129 50 466 95 85 101 125 60 Percentages. Stated Under 20. 20 and under 40 40 and under 60 60 and under 80 80 and over 100.0 100.0 100.0 100.0 100.0 100.0 10.6 17.2 10.3 7.1 7.2 5.4 24.1 25.2 25.6 24.3 22.2 20.3 39.5 39.0 43.2 42.0 35.9 33.8 25.8 18.6 20.9 26.6 34.7 40.5 511 persons die...d — 20 407 persons died 20-40 "X 379 persons died 40-60 360 persons died 60-80 148 persons died 80+ «sr a « V. s IS ¥ % iS s $ Tia. 13 i% U Note.— First dot Ui each diagram shows the percentage having mothers who died ^0. Second dot the percentage having mothers who died 40-60. TMrd dot the percentage Iwving mothers who died 60-80. Fourth dot the percentage having mothers who died 80+. A STUDY OF THE HYDE GENEALOGY 37" In Fig. 13, not only do the fourth dots form a progressively rising series, but the first dots a progressively descending series.
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