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Among other limitations of O. R the followings deserve mention:
a. Basis: The operational researchers must be unbiased. An attempt to shoehorn result sin to a confirmation of management prior preferences can greatly increase the likelihood of failure.
b. Inadequate Objective Functions: The use of a single objective functions is often an insufficient basis for decisions. Laws regulations public relations market strategies etc. May all serve to overrule a choice arrived at in this way.
c. Internal Resistance: The implementation an optimal decision may also confront internal obstacles such as tribe unions or individual managers with strong preferences for other ways of doing the job.
d. Competence: Competent O. R analysis calls for the careful specifications of alternatives a full comprehension of the underlying mathematical relationship and a huge mass, of data. Formulation of an industrial problem to an O. R set programme is quite often a difficult task.
e. Reliability of the Prepared Solution : At times a non linear relationship is changed to linear for fitting the problem to L. P pattern. This may disturb the solution.
Calculation of Ranks Correlation Where Ranks are Given: When the actual ranks are given the steps followed are: a.Compute the difference of the two ranks (R1 and
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User Groups: The next step would be to identify more specifically the potential user groups. This may be done on the basis of interviews, questionnaires, study of organisation
Making Decision Lastly a decision should be arrived as to whether the null hypothesis is to be accepted or rejected. In this regard the value of the test statistic
Models in OR
Periodical Article A periodical is a publication that is published periodically like a newspaper a magazine and a journal. Usually periodicals have volume numbers and n
The scientific method in O R study generally involves the followings three phases: 1. Judgment phase, 2. Research phase 3. Action phase
Question 1 X Ltd. has Unit C which is not functioning satisfactorily. The following are the details of its fixed assets: Asset Date of acquisiti
Case Study - Research Process Tomzak and Hale inc was a medium sized marketing research firm located in a large mind western city. Bob Lynn a marketing vice president
Write a note on tracing a closed loop. What are the characteristic features of a closed loop?
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