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Use of t -tables
Similar to normal curve tables there exist t- distribution tables. However whereas the properties of the normal curve are constant for all normal curves the t- distribution varies according to the number of items in the sample. These tables therefore contain values for all possible sample sizes up to 30, and are given with reference to the degrees of freedom.
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
characteristics of operational research model
Simple Random Sampling This is simplest and most popular technique of sampling. In it each unit of the population has equal chance of being included in the samp
Maxz=3x1-2x2 St x1-x2 >_0, 3x1-x2 _0
represent a diagrammatic way of components of the os
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regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual
The town of Silverton, Colorado, has three gasoline stations, Shell, Exxon, and Arco. Customer selection of service stations can be modeled as a Markov process, with the following
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
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