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On the Basis of Ratio of Change Direction
a.Linear Correlation: The correlation between two variables a said to be liner if corresponding to a unit change in the values of one variable there is a constant change in the value of the other variable i ,e, in case of linear correlation the relation between the variables X and Y is of the type.
Y= a + b x
If a = 0 the relation becomes y = bx. In such cases the values of the variables are in constant ratio.
Non linear ( Curvi linear) Correlation: The correlation between two variables is said to be non linear or curvilinear in corresponding to a unit change in the value of one variable the other variable does not changes at a constant rate but at a fluctuating rate.
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
Use Big M method to Maximize(Z)=3_(x_1 )+2_(x_2 ) Subject to 3_(x_1 )+?1.5?_(x_2 )=30 x_1+x_2=20 x_1=0 x_2=0
2.Assess the current environmental scan factors that are relevant to the decision making process. Determine the factors that will have the greatest impact on plant operations and m
Two Sample Tests In some situation the researchers may be taking statistical decisions based on two samples. Each of the two samples may represent a particular under con
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
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
#questionA 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 grad
Scope of operation research?
example exercises of these
Construct a two-variable LP model that: · Maximizes Z; · All coefficients in the objective function are greater than 500; · Includes at least 5 constraints;
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