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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.
Techniques of Work Measurement A number of work measurement techniques have been developed to suit different types of work . There are: 1. Repetitive work: The
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On the Basis of Ratio of Change Direction a. Linear Correlation: The correlation between two variables a said to be liner if corresponding to a unit change in th
use of game theory by state bank of india
DISCUSS THE SIGNIFICANCE AND SCOPE OF OPERATION RESEARCH IN MODERN MANAGEMENT
significance and scope of operation research
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