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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.
Maxz=3x1-2x2 St x1-x2 >_0, 3x1-x2 _0
Use of t -tables Similar to normal curve tables there exist t- distribution tables. However whereas the properties of the normal curve are constant for all
Research and Development: All intellectual activities consciously pursued and systematically completed generate useful information. Research (also Research and Development) is
state phases of operations research and and their importance in solving problems
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
Advantages of Mode a.It is easy to understand as well as easy to calculate. In can be found out by inspection. b.It is usually an exacta value as it occurs most fre
Question: (a) Discuss briefly the four basic components of any queueing system. (b) Explain what you understand by the following models: (i) (M| M | 1 : N | FCFS) (ii
explain characteristic of operation of research.
Example 2 Max Z = 3x 1 - x 2 Subject to 2x 1 + x 2 ≥ 2 x 1 + 3x 2 ≤ 3 x 2 ≤ 4 & x 1 ≥ 0, x 2 ≥ 0 A
how does it work
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