Vital statistics ; an introduction to the science of demographyWiley, 1919 - Počet stran: 517 |
Vyhledávání v knize
Výsledky 1-5 z 26
Strana 42
... limit is called the upper quartile , and the corresponding item towards the lower end , the lower quartile . A quartile is one - quarter of the way from one end of the array to the other . See Fig . 4 . 15 Mean = 7.28 Upper ← Quartile ...
... limit is called the upper quartile , and the corresponding item towards the lower end , the lower quartile . A quartile is one - quarter of the way from one end of the array to the other . See Fig . 4 . 15 Mean = 7.28 Upper ← Quartile ...
Strana 43
... Another way would be to arrange the groups thus , making the upper and lower limits both inclusive . ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) Days .. Number . 1-5 6-10 11-15 16-20 0 0 4 4 1 A better way would be this : Days .. Number GROUPS 43 17.
... Another way would be to arrange the groups thus , making the upper and lower limits both inclusive . ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) Days .. Number . 1-5 6-10 11-15 16-20 0 0 4 4 1 A better way would be this : Days .. Number GROUPS 43 17.
Strana 44
... limits , inches ... 50-502 51-513 52-522 Mean of group ... 503 51 52 and so on With measurements of quarters it is not possible to de- vise a grouping such that the mean of each group is an even number . Neither 503-51 nor 50-511 would ...
... limits , inches ... 50-502 51-513 52-522 Mean of group ... 503 51 52 and so on With measurements of quarters it is not possible to de- vise a grouping such that the mean of each group is an even number . Neither 503-51 nor 50-511 would ...
Strana 45
... Limits ... 0 0.1-1.0 1.1-2.0 2.1-3.0 etc. Mean of group .... 0 0.55 1.55 2.55 or Limits ... Mean of group . ( 1 ) ( 2 ) ( 3 ) 0-0.9 1.0-1.9 2.0-2.9 0.45 1.45 2.45 If the observations were made to the nearest hundredth we might have Limits ...
... Limits ... 0 0.1-1.0 1.1-2.0 2.1-3.0 etc. Mean of group .... 0 0.55 1.55 2.55 or Limits ... Mean of group . ( 1 ) ( 2 ) ( 3 ) 0-0.9 1.0-1.9 2.0-2.9 0.45 1.45 2.45 If the observations were made to the nearest hundredth we might have Limits ...
Strana 46
... limit without using fractions . A better nomenclature perhaps would be to use the plus sign instead of the dash ... limits of which are stated as follows : α b 4+ 4-42 5+ 5-52 The inference would be that the first group of a 6+ 6-6 ...
... limit without using fractions . A better nomenclature perhaps would be to use the plus sign instead of the dash ... limits of which are stated as follows : α b 4+ 4-42 5+ 5-52 The inference would be that the first group of a 6+ 6-6 ...
Běžně se vyskytující výrazy a sousloví
age distribution age-group annual average birth-rate board of health Boston Bright's disease burial Cambridge cancer cause of death cent certificate CHANDLER WHIPPLE cities colored column comparison computed correlation curve decimal department of health diagram diphtheria district error estimates example factories facts females give given health officer increase industrial infant deaths infant mortality less living logarithms males marriage marriage-rate Massachusetts mean measles median method months morbidity morbidity rate mother Name disease nationality nosology number of deaths number of items number of persons obtained occupation occurred percentage physician plotted Pneumonia poisoning poliomyelitis population probable proportionate mortality public health Puerperal ratio records registrar result round numbers rule scale scarlet fever slide-rule specific death-rates standard statistician Sweden TABLE tion tuberculosis typhoid fever U. S. Bureau U. S. Census United vital statistics whole numbers whooping cough
Oblíbené pasáže
Strana 221 - arms; Then the whining school-boy, with his satchel And shining morning face, creeping like snail Unwillingly to school; and then the lover, Sighing like furnace, with a woeful ballad Made to his mistress' eyebrow; then a soldier, Full of strange oaths and bearded like the Jealous in honour, sudden and quick in quarrel,
Strana 404 - if an instance in which the phenomenon under investigation occurs, and an instance in which it does not occur, have every circumstance in common save one, that one occurring only in the former; the circumstances in which alone the two instances differ is the effect, or the cause, or an indispensable part of the cause, of the phenomenon. This
Strana 404 - If two or more instances of the phenomenon under investigation have only one circumstance in common, the circumstance in which alone all the instances agree is the cause (or effect) of the given phenomenon.
Strana 225 - persons, but their number was very small, that continued a kind of hobbling march of the broken arches, but fell through one after another, being quite tired and spent with so long a walk.
Strana 483 - and circumstances; and when any such case is reported to him by the State registrar the prosecuting attorney shall forthwith initiate and promptly follow up the necessary court proceedings against the person or corporation responsible for the alleged violation of law. And upon request of the State registrar, the attorney general shall assist in the enforcement of the provisions of
Strana 404 - in which alone the two instances differ is the effect, or the cause, or an indispensable part of the cause, of the phenomenon. This is the method of
Strana 470 - by him removed for neglect or failure to perform his duty in accordance with the provisions of this act or the rules and regulations of the State registrar, and shall be subject to the same penalties for neglect of duty as the local registrar.
Strana 471 - but such cases, and stillbirths occurring without attendance of either physician or midwife, shall be treated as deaths without medical attendance, as provided for in section 8 of this act. SEC. 7. That the certificate of death shall contain the following items, which are hereby declared necessary for the legal, social, and sanitary purposes subserved by registration records:
Strana 480 - card provided for such purpose. SEC. 20. That each local registrar shall be paid the sum of twenty-five cents for each birth certificate and each death certificate properly and completely made out and registered with him, and correctly recorded
Strana 471 - moved from or into any registration district, or be temporarily held pending further disposition more than seventy-two hours after death, unless a permit for burial, removal, or other disposition thereof shall have been properly issued by the local registrar of the registration district in which the death occurred or the body was found.