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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.
Variables A concept which varies is variable. These can be different in quantitative values. For example, weight, height, income are examples of variables. Qualitative phenom
what is the scope of operational research in india ? explain with the job names.
Solve the following Linear Programming Problem using Simplex method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
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 a We
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#questiSix Operators are to be assigned to five jobs with the cost of assignment in Rs. given in the matrix below. Determine the optimal assignment. Which operator will have no ass
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
example exercises of these
I''m getting a negative value in the one of the Supply/Stock columns while solving a problem in Vogel''s approximation method. Is it possible or am I doing anything wrong?
1. We have looked at a number of theories explaining the nature of the relationship between media producers and audiences. Give a detailed description of at least three of these ap
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