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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.
Simple Line Graphs a. Simple Histogram A simple histogram is a techniques used plotting a time series on the graph paper. The data are arranged according to the time
disadvantages of modeling in operational research
undertake the proposed research investigation in accordance with the agreed specification and procedures
Sample Survey Methods: If proposed investigation is done only on a part taken out of universe then it will be known as sample survey. This part of the universe is kno
NON PARAMETRIC TESTS All practical data follow normal distribution under such situations can estimate the parameters such as mean variance etc ,,, and use the standard
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
1) Provide an overall description of the business and the competitive environment in which it operates. You should describe: a) what type of business it is (e.g. retail, manuf
which job should proceed first among the 2 jobs on n machines by graphical method
Construct a two-variable LP model that: · Maximizes Z; · All coefficients in the objective function are greater than 500; · Includes at least 5 constraints;
Maxz=3x1-2x2 St x1 -x2>_0, 3x1-x2 _0
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