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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.
. 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.
Q uality assurance plan The quality assurance plan is to establish the goals, the process and the responsibilities needed to implement the effective quality assurance function
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
Definition of "Volume" : Economy in the cost of binding. reduction in the number of undersized volumes difficult to handle, the need for splitting over thick and composite
AACR 2: Anglo-American cataloging rules/ Prepared by the American Library Association, the British Library, the Canadian Committee on Cataloguing, the Library Association, the
(a) Discuss and determine the following statement: Emergent change does not provide a coherent alternative to Planned change but merely gives an umbrella for those who oppose it.
Question 1: (a) Describe and illustrate the term ‘non ionizing radiation'. (b) In what ways will noise affect workers? (c) How will the effects of noise, as a hazard,
Question 1: Heat and noise are important factors for productive work inside the work premises. Describe, in details, how you would control these factors at the workplace to inc
‘Property management is more about managing an asset than managing a building: discuss with reference to the role of a commercial property manager.’ Prepare an essay or discussion
Checking with the catalogue: The individual classifier who is allotted a set of documents for processing will first check each item in the set with the library catalogue.
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