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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.
disadvantages of model in operational research
Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
#questA 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 p
Solve by Steps for Two-Phase Method Max Z = 5x 1 + 8x 2 Subject to 3x 1 + 2x 2 ≥ 3 x 1 + 4x 2 ≥ 4 x 1 + x 2 ≤ 5 & x 1 ≥ 0, x 2 ≥ 0 Answe
Maximize w = 5x -2y +3z subject to 2x +2y -z>=2 y + 3z
Each day you own 0 or 1 stocks of certain commodity. The price of the stock is a stochastic process that can be modeled as a Markov chain with transition rates as follows
CRITICAL EXAMINATION OF THE APPLICATION OF DECISION THEORY TECHNIQUES OR MODEL IN BUSINESS DECISION MAKING IN NIGERIA
QUESTION 1 i) What do you understand by the following terms? And what is their role in communication theories? Ontology Epistemology Axiology ii) Discuss how
A paper mill products two grade of paper viz., X & Y. Because of raw material restriction, it cannot produce more than 400 tons of grade X paper & 300 tons of grade Y paper in a we
. Discuss the methodology of Operations Research.
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