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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.
Operation reac Involves the use of mathematical models, equations and similar other mathematical expressions. Assumptions are always incorporated in the derivation of an equa
A PAPER MILL PRODUCES TWO GRADES OF PAPER VIZ, X AND Y. BECAUSE OF RAW MATERIALS RESTRICTIONS, IT CANNOT PRODUCE MORE THAN 400 TONS OF GRADE X PAPER AND 300 TONS OF GRADE Y PAPER I
find optimal solution for a 3*4 matrix 42 27 24 35 46 37 32 32 40 40 30 35 using modi method
Frequency Distribution Graphs Frequency distribution graphs may be histogram frequency polygon frequency curve ogive curve. 1. Histogram The histogram is draw f
NWCR
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NON PARAMETRIC TESTS All practical data follow normal distribution under such situations can estimate the parameters such as mean variance etc ,,, and use the standard
Disadvantages of Mode a.It is ill defined. b.It is indefinite and it is some cases impossible to find a definite value. c.It is not based on all observation. So i
Six 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 assignment
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