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Z-Test Prof. Fisher has given a method of testing the significance of the correlation coefficient in small samples. According to this method the coefficient of correlation
Consider the following network where the value on each arc represents the capacity of that arc. Use the augmenting path algorithm to find the value of the maximum flow from node 1
#question.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 grad
Ask queA manufacturing firm has discontinued production of a certain unprofitable product line. This created considerable excess production capacity. Management is considering to d
impact of operation research
Solve by simplex method Maximize Z = 5x 1 + 3x 2 Subject to 3x 1 + 5x 2 ≤ 15 5x 1 + 2x 2 ≤ 10 & x 1 ≥ 0, x 2 ≥ 0 [Ans. Max Z = 235/19
Classification of documents by information Characteristics: The schemes of classification advocated by Hanson and Grogan are mainly based on the information characteristics of
Determining Sample Size for Estimating poportions It is necessary to determining the sample size for a problem involving proportions. This deals with the percentage of f
Meaning and Definition If a group of N observations is arranged in ascending or descending order of magnitude then the middle value is called median of these observat
Objectives of Measuring Dispersion a. To judge the Reliability of Measures of Central Tendency: Measure of dispersion is the only means to test the representative charac
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