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Convenience Sampling - A convenience sample is a group of individuals who are readily available to participate in a study. That is, the choice of the sample is left completely to the convenience of the investigator. The cost involve in picking up the sample is minimum and the cost of data collection is also generally low. For example, the investigator wants to study the demand for the types of soft drinks. The interviewer can go to some soft drinks shop and can interview shopkeepers who happens to come to that particular shop and ask them questions regarding their choice for soft drinks. Convenience sample suffers from excessive bias from known and unknown source and also there is no way that the possible errors can be quantified. It is good for taking a quick opinion poll developing tools such as questionnaire or interview schedule and for preliminary study before developing an elaborate research proposal.
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Overview of Procurement Management Let us start our discussion with an overview of project procurement management. Procurement management is an important knowledge area in pro
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QUESTION 1 Describe the powers the Permanent Secretary may exercise for the purpose of enforcing the Occupational safety and Health Act, 2005. QUESTION 2 (a) Explain th
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NEED AND PURPOSE OF LIBRARY CLASSIFICATION: Library classification invariably requires written has of damps and their subdivisions arranged in a systematic way along with corr
CARE AND PRESERVATION OF LIBRARY MATERIALS: As should not be shelved too tightly nor too loosely. The former damages the binding en other books are forceful inserted and the
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