Reliability depends up on the representativeness of the sample. Sampling procedures must be correctly designed and followed. Accuracy is concerned in samplingĨ Disadvantages of Sampling It demands a thorough knowledge of sampling methods and procedures. Sampling helps to collect vital information more quickly. Elements are selected in a manner that they yield all most all information about the whole universe, if and when selected according to some scientific principles and procedures.ĥ Definition of Sample Ya Lun Chou defines a sample as a collection of primary sampling units, select as a representative microcosm, from which references about the population may be made.Ħ Characteristics of Good Sample Representativeness Accuracy Precision Sizeħ Why Sampling? Advantages of Sampling Sampling reduces the time and cost of research studies. Meaning of sampling Characteristics of sample Why sampling Sampling techniques or methodsĤ Meaning Sampling means obtaining information from a portion of a larger group or from universe.
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