Transcription of Non- Probability Sampling Methods - Social Science
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Non- Probability Sampling Methods - Social Science
Non- Probability Sampling MethodsCourse unit ECON 53115MA/MSScin EconomicsProf. WM SemasingheDept. of Economics8/19/20198/19/2019 Methods of Sampling : Sampling MethodsProbability SamplingNon- Probability Sampling8/19 Random Random Sampling Sampling8/19 , : ConvenienceSampling Purposive/JudgmentSampling SnowballSampling of Probability Sampling Since the estimates are unbiased, they can be generalized to the population. It is used to draw statistical inferences. Itgivesarepresentativesampleevenifthepop ulationisheterogeneous. Statisticalmeasures(parameters)canbeesti matedandevaluatedbysamplestatisticinterm sofcertaindegreeofprecision. Mathematical statistics and Probability can be applied to analyze and interpret the data8/19/2019 Disadvantages of Probability Sampling Costofsamplingintermsofmoneyandtimeishig hcomparedtothenon-probabilitysampling.
Aug 19, 2019 · Random or Probability Sampling Random or probability sampling is the scientific technique of drawing samples from the population according to some laws of chance in which each unit in the population has some definite pre-assigned probability of being selected in the sample. The main probability sampling methods are: i. Simple Random Sampling
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