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Usage in the Context of Library and Information Services:
In library and information science, there is, however, no need for making such distinction between data and information, because many users would consider data and facts as information. For example, data on national income (i.e., national income statistics) presented in a tabular form would enable an economist to make an assessment of the health of the national economy. To him/her, it is '''statistical information". He/She may like to interpret the data and publish a paper on the topic. A reader who is not adequately conversant with national income statistics or who is interested in getting a quick grasp of the national economy would find this paper more useful. This paper, rather than the statistical tables, provides him/her the necessary "information". However, a conscious awareness of the distinction between the two is helpful in providing information services to different types of users having different kinds of information needs.
Standard Deviation The standard deviation of samples (s) can be estimated by the pilot study past studies and the ranges of distribution. A pilot study may be conducted
Six Operators are to be assigned to five jobs with the cost of assignment in Rs. given in the matrix below. Determine the optimal assignment. Which operator will have no assignment
Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
What is meant by a mathematical model of a real situation? Discuss the importance of models in the solution of Operations research problems
Tied Ranks Equal or Repeated Rank When two or more items have equal values it is difficult to give ranks to them. In that case the items are given the average of the
Teesside Construction is developing a schedule for a major building project to start in 04/01/2011 in Middlesbrough, UK. The project manager has identified major activities of the
The action phase consists of making recommendations for remedial action to those who first posed the problem and who control the operations directly. These recommendatio
Chi square Test for the Population variance When we want to test that a random sample has been drawn from a normal population having specified variance then X2 statist
Question 1 Describe the objectives of tax planning. Explain the factors to be considered in tax planning. Question 2 Describe the categories in Capital assets. Mr.
Oral Presentation At times oral presentation of the results of the study is considered effective particularly in case where policy recommendations are indicated by project
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