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Cost The cost factor is a very important factor in determining the size of the sample. The budget for research should be properly decided. The management may not lik
Simple Random Sampling This is simplest and most popular technique of sampling. In it each unit of the population has equal chance of being included in the samp
User Groups: The next step would be to identify more specifically the potential user groups. This may be done on the basis of interviews, questionnaires, study of organisation
This method is more systematic and orderly than least cost method. Here penalties for each column and row of the transportation table are determined, and the row or column with
Support Supporting materials is vital for making the presentation effective. It clarifies the speaker ideas makes the presentation more illuminating as well as intere
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
Regression Line The line of regression is the line which give the best estimate to the values of one variable for any specific values of other variable. For t
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
meaning of operational research?
Ask queA manufacturing firm has discontinued production of a certain unprofitable product line. This created considerable excess production capacity. Management is considering to d
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