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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.
application&techniques
Importance of models
Types of Correlation 1. Positive Correlation : When the values of two variables move in the same direction .e. when an increase in the values of one variables is ass
The Best Corporation is considering making either minor or major repairs to a malfunctioning production process. When the process is malfunctioning, the percentage of defective it
Maximize Z = 2x - 7y subject -2x + 3y = 3 4x + 5y >= 10 6x + 7y 4x + 8y >= 5
Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
The NW corner rule described earlier considers only the availability and supply requirements in making assignments. It takes no account of the shipping costs given in
maximum 3x1+x2+x3-x4 subject to x1+5x2+3x3+4x4 x1+x2=-1 x3+x4
This is a procedure of determining the potential if any for improving each of the non basic variables in terms of the objective function. To determine this potential each of
Sample Size in Non Propbability The probability selection does not apply to purposive selection. The size of the non probability samples is selected in a subjective ma
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