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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.
Simple Line Graphs a. Simple Histogram A simple histogram is a techniques used plotting a time series on the graph paper. The data are arranged according to the time
In the judgement phase due care must be given to define correctly the frame of references of the operation. Objectives and values, whether economic social or aesthetic shoul
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
Method of Calculation of Mean Deviation a. Computation of Mean Deviation Individual Series : The process of computing mean deviation in case of individual series involves
Scattered Responsibility and Authority: In a big industry responsibility and authority of decisions making is scattered throughout the organization and thus the organization.
How to solve linear programming problems using simplex method introducing slack variable,surplus variable and artificial variable
General Rules a. Attractive Shapes The tables should be neat and attractive. The size of table should be neither too big nor small. b. Simplicity A table should b
Edwards Life Sciences is trying to decide if it should sell a new type of medical product. Fixed costs associated to the production of the product are estimated to be $30,000. Th
What are the features of Operations Research?
Maximize6x1+8x2+5x3,st,labour3x1+4x2+5x3 =0 then brefly explain x1,x2,x3;term labour,metal&plastic;the160hours;x1,x2&x3>=0
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