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probability sample การใช้

ประโยคมือถือ
  • Conceptually, simple random sampling is the simplest of the probability sampling techniques.
  • The statistical model one uses can also render the data a non-probability sample.
  • It is this second step which makes the technique one of non-probability sampling.
  • Probability sampling is now the accepted method of scientific sampling.
  • The survey is drawn from a probability sample of 1006 cases, stratified by state.
  • Surveys based on non-probability samples often fail to represent the people in the target population.
  • Survey samples can be broadly divided into two types : probability samples and non-probability samples.
  • Survey samples can be broadly divided into two types : probability samples and non-probability samples.
  • The response rate in the area-probability sample is more than double that in the list sample.
  • This second step makes the technique non-probability sampling.
  • The Gallup Organization says its polls are conducted by telephone using the process of probability sampling.
  • The effect has also been demonstrated in homosexual men from convenience and representative, national probability samples.
  • A stratified multi-stage probability sample design was used to select the sample from the Census Frame.
  • Surveys that are not based on probability sampling have greater difficulty measuring their bias or sampling error.
  • He and colleagues at Michigan carried out a probability sample of fewer than 1, 000 American households.
  • This was derived from a large nationally representative, stratified, multistage probability sample in the USA comprising 9689 subjects.
  • In both 2001 and 2004, about 70 percent of households selected for the area-probability sample actually completed interviews.
  • Results are based on face-to-face interviews using multi-stage probability sampling to select respondents eighteen years of age or older.
  • Studies intended to use probability sampling sometimes end up using nonprobability samples because of characteristics of the sampling method.
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