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Merits
a.It is simple to understand and easy to calculate.
b.It is very useful in the case of data which are of qualitative nature like intelligence honesty beauty efficiency etc.
c.No other methods can be used when ranks are given except this.
d.When the actual data are given this method can also applied.
RANGE Range is the difference between the highest and the lowest value is series. This is the simplest absolute measure of dispersion. Symbolically : R= L- S
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
Machine Tabulation This methods of tabulating information is generally used in case of extensive large scale surveys. Mechanical sorting and tabulating equipments and su
formulate the linear programming model of the table above
wha
These models are applied to the management ( planning controlling and scheduling ) of large scale projects. PERT/ CPM techniques help in identifying potential trouble spots in
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write the scope of operation research
Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Calculation of Ranks Correlation Where Ranks are Given: When the actual ranks are given the steps followed are: a.Compute the difference of the two ranks (R1 and
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