Vital Statistics; an Introduction to the Science of DemographyJohn Wiley & sons, Incorporated, 1923 - Počet stran: 579 |
Vyhledávání v knize
Výsledky 1-5 z 100
Strana 25
... cent , plus or minus , and that three different tests gave the following numbers : 2790 , 4220 and 3470 per c.c. the average being 3493 . Five per cent of this figure is 175 ; hence the true result might conceivably lie between 3318 and ...
... cent , plus or minus , and that three different tests gave the following numbers : 2790 , 4220 and 3470 per c.c. the average being 3493 . Five per cent of this figure is 175 ; hence the true result might conceivably lie between 3318 and ...
Strana 27
... cent . The percentage error of the sum would not , of course , be the sum or even the average of the figures in the second column . - Ratios . The ratio between two numbers may be ex- pressed as a common fraction or may be indicated by ...
... cent . The percentage error of the sum would not , of course , be the sum or even the average of the figures in the second column . - Ratios . The ratio between two numbers may be ex- pressed as a common fraction or may be indicated by ...
Strana 29
... cent of cases which Place . resulted in death ( 1 ) ( 2 ) Ꮓ 244 X 8.5 Y 7.9 12.1 • Rates . Now ( rates are merely ratios referred to some round number as a base . When 100 is used as the base we have a percentage rate , that is a rate ...
... cent of cases which Place . resulted in death ( 1 ) ( 2 ) Ꮓ 244 X 8.5 Y 7.9 12.1 • Rates . Now ( rates are merely ratios referred to some round number as a base . When 100 is used as the base we have a percentage rate , that is a rate ...
Strana 30
... cent . The smallest possible error , i.e. , 1 , would change the percentage to 59.65 per cent or 63.16 per cent . To use two or even one place of decimals is here absurd . Clearly for figures less than 100 fractions of per cents are ...
... cent . The smallest possible error , i.e. , 1 , would change the percentage to 59.65 per cent or 63.16 per cent . To use two or even one place of decimals is here absurd . Clearly for figures less than 100 fractions of per cents are ...
Strana 47
... cent and find the per cent which the number of items in each group is of the total , that is , we make a percentage grouping , or a percentage distribution . a certain outbreak of typhoid fever the cases were ibuted according to age as ...
... cent and find the per cent which the number of items in each group is of the total , that is , we make a percentage grouping , or a percentage distribution . a certain outbreak of typhoid fever the cases were ibuted according to age as ...
Další vydání - Zobrazit všechny
Vital Statistics: An Introduction to the Science of Demography George Chandler Whipple Úplné zobrazení - 1923 |
Vital Statistics: An Introduction to the Science of Demography George Chandler Whipple Úplné zobrazení - 1923 |
Vital Statistics: An Introduction to the Science of Demography George Chandler Whipple Úplné zobrazení - 1923 |
Běžně se vyskytující výrazy a sousloví
age distribution age-groups annual average birth board of health Boston Bright's disease Bronchopneumonia Cambridge cause of death cent certificate cities civil colored column comparison computed coördinate correlation curve density diagram diphtheria disease districts error estimates example factories facts females geometrical given health officer horizontal scale immigration included industries infant mortality less LIST OF OCCUPATIONS living logarithms males marriage marriage-rate Massachusetts mean measles median mills months nationality Native White natural nosology number of deaths number of persons obtained OCCUPATION GROUPS OCCUPATIONS AND OCCUPATION percentage physician plotted Pneumonia poisoning poliomyelitis popu public health puerperal rate of growth rate of increase ratio records registrar registration area round numbers rural scarlet fever specific death-rates square mile standard Sweden syphilis TABLE tion Tuberculosis typhoid fever U. S. Census United urban vertical scale vital statistics whooping cough
Oblíbené pasáže
Strana 270 - With eyes severe, and beard of formal cut, Full of wise saws and modern instances, And so he plays his part. The sixth age shifts Into the lean and slipper'd pantaloon; With spectacles on nose, and pouch on side, His youthful hose well sav'd, a world too wide For his shrunk shank ; and his big manly voice, Turning again towards childish treble, pipes And whistles in his sound.
Strana 270 - With spectacles on nose, and pouch on side ; His youthful hose well sav'd, a world too wide For his shrunk shank ; and his big manly voice, Turning again toward childish treble, pipes And whistles in his sound : Last scene of all, That ends this strange eventful history, Is second childishness, and mere oblivion ; Sans teeth, sans eyes, sans taste, sans everything.
Strana 273 - The bridge thou seest, said he, is Human Life : consider it attentively. Upon a more leisurely survey of it, I found that it consisted of...
Strana 269 - All the world's a stage, And all the men and women merely players : They have their exits and their entrances ; And one man in his time plays many parts, His acts being seven ages. At first the infant, Mewling and puking in the nurse's arms. And 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
Strana 525 - That for the purposes of this act the state shall be divided into registration districts as follows: Each city, each incorporated town, and each township * shall constitute a primary registration district...
Strana 273 - I see multitudes of people passing over it, said I, and a black cloud hanging on each end of it. As I looked more attentively, I saw several of the passengers dropping through the bridge, into the great tide that flowed underneath it ; and upon further examination, perceived there were innumerable trap-doors that lay concealed in the bridge, which the passengers no sooner trod upon, but* they fell through them into the tide and immediately disappeared. These hidden pit-falls were set very thick at...
Strana 537 - And in case no births or no deaths were registered during any month, the local registrar shall be entitled to be paid the...
Strana 524 - That the secretary of the State board of health shall have general supervision over the central bureau of vital statistics, which is hereby authorized to be established by said board, and which shall be under the immediate direction of the State registrar of vital statistics, whom the State board of health shall appoint within thirty days after the taking effect of this law, and who shall be a medical practitioner of not less than five years' practice in his profession, and a competent vital statistician.
Strana 537 - All amounts payable to a local registrar under the provisions of this section shall be paid by the treasurer of the county in which the registration district is located, upon certification by the State registrar. And the State registrar shall annually certify to the treasurers of the several counties the number of births and deaths...
Strana 529 - ... a burial or removal permit; and any certificate containing only such terms as defined by the State Registrar shall be returned to the physician or person making the medical certificate for correction and more definite statement.