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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.
Demerits of Range a.It gives importance to the two extreme values and is very much affected by the extreme items. b.The range provides no information about the st
Video Tapes Video tapes are very information and attention grabbing presentational supports. They are best for illustrating the persons in actions and presen
b. 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 pape
I''m getting a negative value in the one of the Supply/Stock columns while solving a problem in Vogel''s approximation method. Is it possible or am I doing anything wrong?
Significance of operation research
Scientific research is building of knowledge through collection of empirically verifiable facts. The term verifiable here means which can be checked by others for accuracy
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
Mode of Presentation A strategy needs to be chalked out for a satisfactory rendering of the topic. The man oeuvres are going t vary with a change in the manner of
ABC Company manufactures both interior and exterior paints from 2 raw materials M1 and M2. The following table gives basic data of problem. Exterior
what operation research analysts do not
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