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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.
T ools and techniques used for quality assurance All the tools used for quality planning and quality control are used for quality assurance as well. In addition to these tools
Management : The magnitude of maintenance work, like all other work in the library, depends on the size and complexity of the library and the quantum of operations. Decisio
Satisfaction Level: Ideally, DDS should target at satisfying all the requests it receives for the supply of the documents. However, in practice this target is not achievable e
managing construction to build 15,000 sq meters office you budget is $10 per sq meter timeline is to construct 3,000 sq meters per day you finish 7,000 sq meters of parking lot yo
Question: There is no one specific method of categorizing organization theories. However, it is generally accepted that: (a) The Type 1 theorists, also known as the classica
Beta of a share Financial analysts often talk of the beta (b) of a share. We will describe what the beta signifies and the method commonly used to estimate it in this section.
QUESTION CASE STUDY Tesco began in 1919 with one man, Jack Cohen, a market stallholder selling groceries in London. TESCO was formed out of a merger with T.E. Stockwell f
what is prisoner''s dilemma'',of non cooperative game?
Indexing and Abstracting Services: We have already discussed in Section the indexing and abstracting publications as secondary documents. The topic has also been discussed in
SIZE OF SAMPLE: Large samples are more representative of the population of interest than the sinall samples. There are no specific rdes for determining the desired sampl
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