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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.
EVOLUTION OF CATALOGUE : The custodial responsibility assumed by the libraries of the early stages obligated on them the functions of acquisition and conservation entailing al
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Compact Storage Another method of storage equipment is the compact storage system. Compact storage methods have been advocated and explored since the last century. However, t
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Question 1: (a) Explain and discuss in detail, the management functions that are expected of managers. (b) Using illustrations, show how any one dysfunction in the above ma
how will i make a project related to introducing a new product and making a new organization .. also i have to tell about my target ? i choose to introduce glases for blind people
During the analysis of a process that was evaluated, a situation arose where it was seen that the variability of the data points collected was non-random on several occasions, i.e,
Weeding In course of time some books in the library become outdated (e.g. books with statistics). Some time later research result into making information in earlier edition
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Question 1: Clearly explain and illustrate the major characteristics of an industrial accident Question 2: Describe the various ergonomic risk factors that might affect
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