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CORRELATION
Correlation is the study of the liner relationship between two variable when there is a relationship of quantitative measures between two set of variable the appropriate statistical tool for measuring the relationship and expressing each in a precise way is known as correlation. For example there is a relationship between the heights and weights of persons demand and prices of commodities etc.
According to W.I. King Correlation means that between two series or groups of data there exists some relationship connections.
According to croxton and Cowden" The appropriate statistical tool for discovering and measuring the relationship of quantitative nature and expressing it in brief formula is known as correlation.
The coefficient of correlation measures the degree of relationship between two set of figures. As the reliability of estimates depend upon the closeness of the relationship it is imperative that utmost care be taken while interpreting the value of coefficient of correlation otherwise fallacious conclusion can be draw.
Problems based on LPP when feasible region is unbounded. 1. Minimize z = 3x + 5y subject to constraints X + y ≥ 2 X + 3y ≥ 3 X, y ≥ 0 script
Operation reac Involves the use of mathematical models, equations and similar other mathematical expressions. Assumptions are always incorporated in the derivation of an equa
USE SIMPLE METHOD TO SOLVE THE FOLLOWING LPP MAXIMISE Z=4X1+10X2 SUBJECT TO CONSTRAINS, 2X1+X2 2X1+5X2 2X1+3X2 X1, X2>0
High Costs are Involved in the Use of O. R Techniques: O. R techniques usually prove very expensive. Services of specialized persons are invariably called for ( and along w
Formulation of the Problem: Before proceeding to find the solution of a problem, first of all a manager should be competent enough to form an appropriate model. To do so f
#questioA 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
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
Biographies, Handbooks and Dictionaries: Dictionaries: Dictionaries primarily deal with all aspects of words from proper definitions to spellings. Webster's Third Ne
nature and types of problems
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