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In this method variables beings studied are controlled by the investigator. In other the effect of one variable is observed while other relevant variables are held constant.
This methods includes field experiment as well as laboratory experimentation. In field experiment the study is conducted b comparing experimental group with the control group. In laboratory experiment the investigator creates a situation with the exact conditions he wants to have and in which he controls some and manipulates other variables. He then observes and measures the effect of the manipulation of the independent variables on the dependent variables in a situation in which the operation of other relevant factors is held to a minimum.
Meaning of Linear programming problem and explanation of graphical method of solving Linear Programming Problem
Consider the closed network of the following figure. The number at the arrows give the transition probabilities for a customer leaving the queue to route to a subsequent queue. Eve
Scattered Responsibility and Authority: In a big industry responsibility and authority of decisions making is scattered throughout the organization and thus the organization.
Characteristics of Good Average a. It should be Rigidly Defined An average should be rigidly defined so that there is no confusion in regard to its meaning and con
Disadvantages of Mean Deviation a.Mean deviation ignores the algebraic signs of the deviations and such it is not capable of further algebraic treatment. b.It is no
explian completelly the operation reserch
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
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
Significance & scope of operation research in modern management
difference between simplex solution procedure for maximisation and minimisation
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