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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.
Selection of potential suppliers This is an important function of the purchase department. If the material under reference is a standard item covered by company standards, the
Selection and Packaging: Added value is often claimed for information services on the grounds that they bring together, in a convenient form, items of information which would
Librarians room in library building in library management The librarian normally has a separate room of his own, adjacent to the work room and opposite to the main counter ar
ease of funding in location decision
QUESTION 1 A restaurant has experienced a sudden increase in customer complaints and as a consequence the restaurant has been losing customers and orders. The quality manager w
Local Book Suppliers: Every library has to depend on local booksellers for most of the supplies. Unlike the major outside book markets referred to earlier, local book shops d
Acquisition of NBM: Once it is decided that NBM will form a part of the collection of the library, efforts should be made by the librarian to make a planned selection of NBM t
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
Purposes: Description, exploration and explanation are three main purposes of survey approach. a) Description: Surveys are frequently conducted for the purposes of ma
DOCUMENT ACCESSIONING: All the books and documents received in the library are taken into its stock by a process called Accessioning which involves the assignment of a seria
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