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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.
Scope of operations research
Question: Spencerville Products is expanding its operations west of the Mississippi. Its first step is to build a manufacturing facility in Denver to satisfy demand on the W
Uses of Standard Deviation Normal 0 false false false EN-IN X-NONE X-NONE
Meaning of Linear programming problem and explanation of graphical method of solving Linear Programming Problem
Conflicts of Interest and Related Change in Medical Research The significant increase in private industry drug studies has spawned three other changes in medical research: med
b. 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 pape
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
Model building is the essence of the operations research approaches?
scope of operation research\
What is meant by a mathematical model of a real situation? Discuss the importance of models in the solution of Operations research problems
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