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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.
What are the features of Operations Research?
In a business, statistics is used to study the demand and market characteristics of the product or service being sold. In fact, market research
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
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 in
On the Basis of Ratio of Change Direction a. Linear Correlation: The correlation between two variables a said to be liner if corresponding to a unit change in th
Other Determinants of Sample Size 1. The variability of elements within the population has become a very important factor to decide the sample size. The more v
on which basis we take value in time out time in column?
These models deal with the selection of an optimal course of action given the possible pay offs and their associated probability of occurrence. These models are broadly
- 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
how to solve operation research optimization questions
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