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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.
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
Reference Books: Definition According to William Katz (1969) a Reference book generally has the following qualities: It is a miscellany of information organised for quick
Disadvantages of Mean Deviation a.Mean deviation ignores the algebraic signs of the deviations and such it is not capable of further algebraic treatment. b.It is no
minimization
Other Determinants of Sample Size 1. The variability of elements within the population has become a very important factor to decide the sample size. The more v
Significance & scope of operation research in modern management
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Question 1 Explain any five accessory industries Question 2 Explain the history of boots and shoes Question 3 Write short notes on following- Types of Gujarati emb
Uses of Mode The use of the mode is recommended in the following situations: a.When a quick and approximate measures of central tendency desired. b.When the measure
explain the procedure of MODI method of finding solution through optimaly test.
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