Advantages of standard deviation - measure of dispersion, Operation Research

Advantages of Standard  deviation

a.Standard  deviation is based on all the observations and is rigidly  defined.

b.It is  amenable to algebraic  treatment  and possesses many mathematical properties.

c.It is possible to calculate the combine standard deviation  of two more  group. This is not  possible with any  other  measure.

d.It is less affected by  fluctuations of sampling  than most other measures  of dispersion.

e.For  comparing  variability of two  or more  series coefficient  of variation is considered as most  appropriate and this  is based on S. D mean.

 

 

Posted Date: 3/4/2013 10:25:03 PM | Location : United States







Related Discussions:- Advantages of standard deviation - measure of dispersion, Assignment Help, Ask Question on Advantages of standard deviation - measure of dispersion, Get Answer, Expert's Help, Advantages of standard deviation - measure of dispersion Discussions

Write discussion on Advantages of standard deviation - measure of dispersion
Your posts are moderated
Related Questions
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

Tied Ranks Equal or Repeated Rank When  two or more  items  have equal values  it is  difficult  to give ranks  to them. In  that case  the items are given  the average of the

You are a manager at a medium sized manufacturing operation that sells a customized product directly to the consumers and the data pattern is linear but it can have the occasion ra

explian completelly the operation reserch

MEAN DEVIATION Mean  deviation of a series is the arithmetic  average of the  deviations of various  items  from the  median  or mean  of that series. Median is preferred

Methods of Survey and Study:   Some methods of collecting information about the organisation and about the information requirement of potential users are mentioned below. No si

ABC Bank faces a decision to hire two clerks or lease two automatic teller machines. Service rates of clerk 1 and clerk 2 are 41 customers per hour and 36 customers per hour respec

the dual form of the following lpp min z=3x1+2.5x2 constraints:2x1+4x2>=40, 3x1+2x2>=50 and x1,x2>=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

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