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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 sample size. If the researcher uses the probability sampling method smaller samples are needed than non probability sampling.
A sample size of minimum 30 will be adequate according Poscoe (1975), but it can bc as large 100, 500, 1000, etc. Most nursing studies are limited to small convenient samples. Generalization to total population is usually difficult to make with any degree of confidence. The use of small samples dictates the need for studies to be replicated. If several investigators find similar results, generalization to other population are more appropriate.
Tender System: In the tender system, each list of books selected is sent to a number of booksellers who are requested to quote their lowest price for each book. The orders are
Government Publications: Government publications come from all branches, divisions and levels of government. They embrace the entire universe of information, as there are ve
Question 1: Set up a cost control system for a newly established hotel. i) Explain how you would proceed. ii) What set of documentation you will require and wh
A large unit manufacturing electrical goods which has been known for its liberal personnel policies and fringe benefits is facing the problem of low productivity and high absenteei
The full lifecycle framework The objective of this section is to introduce the full lifecycle approach proposed by Berghout et al. (2002). This framework deals in an effectiv
T he configuration manager The configuration manager is approximately tangential to the change management process in that, the configuration manager has no approval authority
Question: (a) What are the characteristics of a queuing system? (b) What are the implications of waiting lines? (c) List and explain briefly the most important factors to
moral responsibility and blame
Internal Form of the Catalogue: As mentioned earlier, according to the internal farm, the two major types of library catalogues are the Dictionary Catalogue and the Classifie
PURPOSE OF SAMPLING: When the population is too large and spread oyer a vast area, sampling needs to be done for the economy of time, energy and cost. But it is also
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