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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.
Catalogue Code: As with classification schemes, there are different catalogue codes available for use in libraries. Two of them are already known to you as they are prescribed
Steps in production process A project whether it is the development of Fast Moving Consumer Goods (FMCG) product, a Parma product or any other product, generally follows the s
Question 1 ALM deals with strategic balance sheet management, which involves various risks, caused because of the changes in exchange rates and the position of liquidity, intere
Selection of Sources: A good approach to literature search is looking up a bibliography, an encyclopaedia or a review publication. This provides background information as also
P e rforming Quality Control Quality control uses techniques and performs activities to compare actual quality performance with requirements and define appropriate actions if
Subject approach: In academic, special, technical and research libraries, and to a large extent even in public libraries, you will find that the majority of readers approach docu
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Simple and Stratified Random Sampling: Simple Random Sampling is a type of probability sampling that ensure that each element of the population has an equal and indepe
Question 1: (i) What are the determinant scarce resources a facilities planner and designer needs to consider before starting a proper feasibility study for the initial se
Skills in Literature Search: Expertise in literature search can be gained only by experience. Some attitudes or traits conducive to a good literature search are: imagination,
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