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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.
Reports: Report literature is an important primary source of information, particularly for a research library. This new medium for communication of information came into bei
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CONSIDER A BARBER SHOP WITH ONE CHAIR, ONE BARBER AND NO ROOM FOR CUSTOMER TO WAIT. IF THE CHAIR IS EMPTY WHEN THE CUSTOMER ARRIVES,HE ENTER THE SHOP AND HIS HAIR CUT BEGINS. IF TH
These models are used when one must decide the optimal time to replace equipment for one reason or the other for instance, in the case of equipment whose efficiency dete
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
what are the characteristics of operation research
STANDARA DEVIATION Standard deviation is the square root of the arithmetic average of squares of all the deviations from the mean. In short it may be defined as th
The scientific method in O R study generally involves the followings three phases: 1. Judgment phase, 2. Research phase 3. Action phase
Scope of operation research?
scope of operation research
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