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Why Two regression Lines
Once regression line cannot minimize the sum of square of deviations for both the x and Y series unless the relationship between them indicate perfect positive or negative correlation. In case of perfect correlations one regression lien is enough because X and Y series have the same type of deviations. Ordinarily in social sciences perfect correlation is very rarely found. For this reason one regression line minimizes the sum of the squares of deviations of the X series and the other regression line takes care of the deviations y series.
A certain type of machine breaks down at an average rate of 5/hour. the break down is in accordance with Poisson process.cost of idle machine hour is $15/hour. 2 repairmen Peter an
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A company uses 4 pounds of resource 1 to make each unit of X1 and 3 pounds of resource 1 to make each unit of X2. There are only 150 pounds of resource 1 available. Which of the fo
how to solve simplex method in LPP?
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Importance of Normal Distribution Normal distribution plays a very important role in statistical theory and in particular in sampling theory. It has been found th
methodology of operation research
#questionthe following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0 ..
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