What's the difference between census and sampling?

Census


Definition:

  • (n.) A numbering of the people, and valuation of their estate, for the purpose of imposing taxes, etc.; -- usually made once in five years.
  • (n.) An official registration of the number of the people, the value of their estates, and other general statistics of a country.

Example Sentences:

  • (1) Positivity was not correlated with current residence census tract socioeconomic indicators in black or white females.
  • (2) This has been done for the census years 1960, 1970, 1975 and 1980.
  • (3) To determine whether virulence might be related to C. albicans growth in different proteolytic environments, we measured renal fungal load in burned mice and found significantly greater Candida census in kidneys from mice that were challenged with a high proteinase-generating parent C. albicans (MY 1044) versus those that were challenged with its low proteinase-generating mutant (MY 1049).
  • (4) --The study was based on data collected by the US Bureau of the Census in the March 1991 Current Population Survey for six groups of workers in health care occupations and three classifications of insurance employees.
  • (5) A census was taken of outpatient bookings at all hospitals and health centres in Oxfordshire for the main medical and surgical specialities.
  • (6) The relations among census reduction, staffing level, and resident cost were explored.
  • (7) Census figures are not available but independent observers assume that Shias still make up at least 60% of Bahrain's native population.
  • (8) Abortion patients (376) were located by census tract (104), and rates computed per 1000 females aged 15-45 years.
  • (9) The Bureau of the Census has developed a model describing the joint effect of sampling and nonsampling errors on census statistics.
  • (10) The last census indicated that 4.2 million don't have English as a first language, less than 8% of the total.
  • (11) The Medical Record departments of the five teaching hospitals in Edmonton, plus the 37 community hospitals in the eight census districts of the northern half of the province of Alberta, Canada, were contacted, and a search was made of all patients with a discharge diagnosis of Crohn's disease or ulcerative colitis.
  • (12) Collision locations were abstracted from police reports and assigned a census tract.
  • (13) Geographical differences in stomach cancer were most closely related to occupationally derived indices of socio-economic structure from the 1971 census, and to measures of domestic crowding from the 1931 census and 1936 survey.
  • (14) The data are from the Bureau of the Census Current Population Survey and annual money income before taxes is the measure of income.
  • (15) The materials of the complex study of population's health in connection with the 1989 census of the population in many respects meet these requirements and the paper provides ways for the organization and cooperation with the chairs of social hygiene while carrying out this large-scale study.
  • (16) The number of children, born alive with clubfoot, and detailed census data for the period were available.
  • (17) The population at risk at the mid-point of the study (1975) was calculated from the National Population Censuses of 1970 and 1980, and consisted of 1125960 men and 880269 women.
  • (18) The sample of 1,302 adolescents aged 12 to 16 came from households selected by stratified, cluster and random sampling of the 1981 Canada Census.
  • (19) Disease surveillance and population surveys of risk characteristics in a northeast rural community of Japan (1965 census population, 7,030) are combined in an attempt to relate morbidity and risk factor trends for coronary heart disease and stroke during the last 2 decades.
  • (20) The National Study of Internal Medicine Manpower (NaSIMM) reports on the results of its 1989-1990 census of residency programs.

Sampling


Definition:

Example Sentences:

  • (1) Samples are hydrolyzed with Ba (OH)2, and the hydrolysate is passed through a Dowex-50 column to remove the salts and soluble carbohydrates.
  • (2) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
  • (3) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
  • (4) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
  • (5) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
  • (6) Blood samples were analysed by mass spectroscopy and gas chromatography.
  • (7) Simplicity, high capacity, low cost and label stability, combined with relatively high clinical sensitivity make the method suitable for cost effective screening of large numbers of samples.
  • (8) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
  • (9) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
  • (10) Confined placental chorionic mosaicism is reported in 2% of viable pregnancies cytogenetically analyzed on chorionic villi samplings (CVS) at 9-12 weeks of gestation.
  • (11) Sample processing appears effective in avoiding spontaneous oxalogenesis.
  • (12) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
  • (13) Finally the advanced automation of the equipment allowed weekly the evaluation of catecholamines and the whole range of their known metabolites in 36 urine samples.
  • (14) Analysis revealed some significant differences in the false-positive rate, depending on the test method used or virus samples evaluated.
  • (15) Just after blood sampling, FEV1 measurements were performed.
  • (16) The study examined the sustained effects of methylphenidate on reading performance in a sample of 42 boys, aged 8 to 11, with attention deficit-hyperactivity disorder (ADHD).
  • (17) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
  • (18) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
  • (19) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
  • (20) The measurement of the intestinal metabolism of the nitrogen moiety of glutamic acid has been investigated by oral ingestion of l-[15N]glutamic acid and sampling of arterialized blood.