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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.
Convenience Sampling In convenience sampling selection the researcher chooses the sampling units on the basis of convince or accessibility. It is called accidental
Problems based on solution of a given LPP when it has multiple optimal solution: 1. Find the maximum and minimum values of 5x+2y, subject to the constraints -2x-3y ≤ -6
Observation and Data Collection for Better Understanding of the Problem: Many times actual observations by trained observers at the scene of operation may be difficult and da
NARROWING THE RESEARCH PROBLEM You have read how from a general topic we have arrived at the definition of the problem to be studied. Now we have to narrow it down furthe
Summary Report The report format suggested above does not contain any summary section. This exclusion is deliberate. The summary should not be prepared until t
What are artificial variable why do you need them
Maximize p = (3)x + 2y subject to 2x + y 3x + 4y >= 12
How can you integrate environmental concerns into production systems?
Model building is the essence of the operations research approach? Discuss. question #Minimum 100 words accepted#
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
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