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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.
Maxz=3x1-2x2 St x1 -x2>_0, 3x1-x2 _0
main components of linear programming
A paper mill products two grade of paper viz., X & Y. Because of raw material restriction, it cannot produce more than 400 tons of grade X paper & 300 tons of grade Y paper in a we
MEAN DEVIATION Mean deviation of a series is the arithmetic average of the deviations of various items from the median or mean of that series. Median is preferred
mile-high microbrewery makes a light beer and a dark beer. mile-high has a limited supply of barley, limited bottling capacity, and a limited market for light beer. profits are $0.
example exercises of these
You are required to investigate and examine aspects of planning and organisational structure for a 'real-life' organisation. This assessment enables you to relate the theories and
Maximize Z =3x+4x subject to x1+x2 =3 2x1+3x2 =4 x1,x2 =0
One Sample Tests The one sample test is applied to a situation where only a single sample ( one sample) is taken from a population in this test the researcher may be tak
3. 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 pape
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