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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.
why does south africa regulate int''l trade
Given an inventory system where Yearly demand = 120 units Ordering cost = Sh. 45 Price per unit = Sh. 200 Annual carrying cost = 24% of the unit cost Determine The economic or
definatins and example
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
Convenience Sampling In convenience sampling selection the researcher chooses the sampling units on the basis of convince or accessibility. It is called accidental
Horton and hunt have given followings nine characteristics of scientific method: 1. Verifiable evidence i e, factual observations which other observers can see and check
what are the models of operational research?
The scientific methods is based on certain article of path these are: 1. Reliance on Evidence: Truth is established on the basis of evidence. Conclusion is admitted onl
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
. Discuss the methodology of Operations Research.
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