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Meaning and Definition
If a group of N observations is arranged in ascending or descending order of magnitude then the middle value is called median of these observations and is denoted by M or Me. That is M= N+1/2 th observation.
According to Prof. L. R. Conner The median is that value of the variable which divides the group into two equal parts one part comprising of all values greater and the other all values less than the median.
According to Yule and Kendall " The median may be defined as the middle most or central values of the variable when the values are arranged in order of magnitude or as the value is such that the greater and smaller values occur with equal frequency.
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
impact of operation research
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
Level of Significance In testing a given hypothesis the maximum probability with which we would be willing to take risk is called level of significance of the test.
SIMO Chart Flow Diagram The flow diagram is a drawing indicating the paths of men materials or components on a scale plan of the work area, department or factory.
Photographs and Illustrations: Photographs and illustrations are documents which provide a visual or pictorial representation of a person, place or situation which words fail
Case Study Methods: It is studying the phenomenon event situation or development through a thorough and detailed analysis or intensive study. The case may be an individual a gr
Periodicals and Serials: Periodical publications form an important part of today's information world. It is one of the oft chosen forms of research communication. There are ov
what is the scope of operational research in india ? explain with the job names.
undertake the proposed research investigation in accordance with the agreed specification and procedures
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