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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.
Frequency Distribution Graphs Frequency distribution graphs may be histogram frequency polygon frequency curve ogive curve. 1. Histogram The histogram is draw f
Statement of Hypothesis The two hypothesis i ,e, null hypothesis (H 0 ) and Alternative Hypothesis (H 1 ) are so constructed that if one is correct the other is wron
Preparation of visual Aids ,Handouts and Feedback Forms It is always better to prepare visual aids much in advance of the presentation. Leaving them for the last mo
Video Tapes Video tapes are very information and attention grabbing presentational supports. They are best for illustrating the persons in actions and presen
. 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
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
#question.Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0.
#qudistinguish between histogram and historigram estion..
Normal 0 false false false EN-IN X-NONE X-NONE PROBABILITY DISTRIBUTION
discuss applications and scope of operations research in diverse areas.
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