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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.
Telecommunication Technologies: Telecommunication today involves microprocessors, digitization of information (audio, video and text) and its transmission across communication
AACR 2- 1988 revised - L C descriptive rules: Anglo-American cataloging rules/ prepared under the direction of the Joint Steering Committee for Revision of AACR, a committee o
A d v antages of an EPM System Let us now see some of the advantages of EPM are: One of the key rewards of converting to an EPM system is that projects have superior
Rajender Kumar was a production worker at competent Motors Limited (CML) which made components and accessories for the automotive industry. He had worked at CML for almost seven ye
TYPES OF CATALOGUE: You have learnt the definition, objectives and functions of a library catalogue and the physical forms in which it exists, with their distinguished feature
QUESTION Ansoff's Matrix is described as a very useful tool that can be used in nearly every scenario. Define and describe Ansoff's Matrix. Explain how each of the four Quadran
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Question 1: (a) What is the chemical composition of water? (b) Name the 3 states of matter in which water can exist. (c) Explain, with the help of diagrams, the molecular str
ETHICS AND SOCIAL RESPONSIBILITY AT … Select a company of interest to you (Fortune 500, Not-For-Profit, etc.) Examples of corporations that could be used are: • Tommy Hilfiger at
P roject quality management process Project quality management consists of four main processes: Quality Definition. Quality Assurance. Quality Control. Qua
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