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Uses of Range
a.Range is suitable measure of dispersion when the data are too scattered to justify the computation of a more precise measure of dispersion.
b.In recent years range has got a special application in the quality control techniques. There are two reason for this .
1.It is easy to calculate and simple to understand.
2.Range is rather good basis for estimating the standard deviation if the sample is small and the population is through to be nearly normal.
c. It is very useful measure to study fluctuation of data. For example variation in weather forecasts movements in the prices of shares etc.
main components of a linear programming
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Maximize p = (3)x + 2y subject to 2x + y 3x + 4y >= 12
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 pa
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
The Neatee Eatee Hamburger Joint specializes in soyabean burgers. Customers arrive according to the following inter - arrival times between 11.00 am and 2.00 pm: Interval-arrival
What is the optimum solution
Solve the following Linear Programming Problem using Simplex method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Question: (a) Discuss briefly the four basic components of any queueing system. (b) Explain what you understand by the following models: (i) (M| M | 1 : N | FCFS) (ii
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