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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.
sOLVE THE FOLLOWING D1 D2 D3 SUPPLY s1 2 2 3 10 s2 4 1 2 15 s3 1 3 1 40 Demand 20 15 30
Problem: A policy maker is considering several policy options that lead to different utility levels of different individuals a) Which Policy is would be optimal according t
Application of the chi Square Test The chi square distribution has a number of applications are given below: a.Chi Square test of goodness of fit. b.Chi square te
You are required to analyse the case study, as indicated under these headings: 1. Identify FIVE persons, bodies, organisations or groups in the case study. 2. For EACH of the
This method is more systematic and orderly than least cost method. Here penalties for each column and row of the transportation table are determined, and the row or column with
Example 2 Max Z = 3x 1 - x 2 Subject to 2x 1 + x 2 ≥ 2 x 1 + 3x 2 ≤ 3 x 2 ≤ 4 & x 1 ≥ 0, x 2 ≥ 0 A
Mode of Presentation A strategy needs to be chalked out for a satisfactory rendering of the topic. The man oeuvres are going t vary with a change in the manner of
Two Handed process Chart of Signing a Latter A multiple activity chart records the related sequence of activities of more than one subject, men and / or machine o
variuos types with example
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
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