Uses of range - measure of dispersion, Operation Research

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.



Posted Date: 3/4/2013 2:33:08 AM | Location : United States

Related Discussions:- Uses of range - measure of dispersion, Assignment Help, Ask Question on Uses of range - measure of dispersion, Get Answer, Expert's Help, Uses of range - measure of dispersion Discussions

Write discussion on Uses of range - measure of dispersion
Your posts are moderated
Related Questions
Biographies, Handbooks and Dictionaries: Dictionaries: Dictionaries  primarily deal with all aspects of  words from  proper definitions to spellings. Webster's Third Ne

Question 1 Explain Pre-Store opening activities and State at least 10 pre-store opening activities that should be ideally carried out in a retail store? Question 2 What ar

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

These models are used to develop a method to evaluate the merit of alternative courses or action by representing with a mathematical model of the problems where various variab

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

1. What is the major problem or issue being investigated? The interaction between service failure and online shop's readiness for service recovery and the resulting impact on custo

You are required to investigate and examine aspects of planning and organisational structure for a 'real-life' organisation. This assessment enables you to relate the theories and

what is operation research an management decision making

Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0

Table of contents The tables  of contents  is an outline  of the order  of the chapters sections and  sub  section  with their  respective  pages. If  report  includes  a n