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TYPES OF SAMPLING:
Sampling plans can be grouped under two categories-probability sampling and non-probability sampling. Probability sampling uses a technique by which the researcher ensures the probability, that each element of p~pulation will be included in the sample. That is each element has an equal or known chance of being included. It utilizes some form of random selection because of which greater confidence can be placed in the representativeness of probability samples. Non-probability samples use non-random methods i.e. there is bias in the selection. There is no assurance that every element has a chance of being included or, in other words the researcher cannot estimate the probability that each element will be included in the sample. Refer to Figure 4.1 and note the purpose of probability and non-probability sampling. The population values such as mean of standard deviation is called a Parameter whereas the measured value of the sample is termed statistic. We infer the parameter from the statistic when we know that the sample is a true representative of population. Refer Block 4 for further details of parameter and statistic.
Nature of Documents: The problem of collection, storage and retrieval of documents has been complicated by the following factors: The steady growth in the output of various
CLASSIFIED CATALOGUE: A classified catalogue is a form of subject catalogue, in which the entries are arranged by the class number which representing the subject of document,
describe about managerial decision making?
QUESTION a) What is Strategic Management? b) With the help of a diagram describe the main elements of strategic management process c) Why strategy implementation often is
Question: A textile manufacturing company would like to implement a system for managing its production. The company does not have any in-house IT staff and has outsourced the c
PERIODICALS PROCUREMENT: We have dealt with the selection of periodicals. Logically, the next step is procurement of the selected periodicals. Hence, this section is devoted
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Bound Register - Ledger Form: In this form, the entries of documents of a library are written by hand in a bound register or ledger, pages are set apart for different letters
Case let 1 M/s. ABC Ltd is a medium-sized engineering company producing a large-range of product lines according to customer requirements. It has earned a good reputation as a quic
C l aims: Claims can be initiated by both parties involved. Claims are settled through negotiation, adherence to contract terms, or a mutually agreed adjustment in the contr
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