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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 Graph The values of the two variables are plotted on a graph paper. We get two curves one for x variables and another for y variables. These two curves reveal the dir
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
Graphic Methods a. Scatter Diagram: Scatter diagram is a special type of dot chart. Under this methods the given data are plotted in a graph paper in the form of d
a manufacture wants to ship 8 loads of his product as shown below. The matrix gives the mileage from origin to the destination D. Origin Destination Available A B C X 50 30 220
Chi Square Test as a Test of Homogeneit The X 2 test of homogeneity is an extension of the chi square test of independence of attributes. It is designed to determine whet
You are required to investigate and examine aspects of planning and organisational structure for a 'real-life' organisation. This assessment enables you to relate the theories and
How can you integrate environmental concerns into production systems?
process of operation research
retail outlet x y volume A 6 9 80
Conflicts of Interest and Related Change in Medical Research The significant increase in private industry drug studies has spawned three other changes in medical research: med
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