Usefulness of correlation - correlation regression analysis, Operation Research

Assignment Help:

Usefulness of Correlation

1.Correlation  is very  useful  to economists  to study  the relationship  between  variables  like  price  and quantity  demanded. To businessmen it helps  to estimate  costs sales  price  and other related variables.

2.Some  variables show  some kind  of relationship, correlation  analysis  helps  in measuring the  degree of relationship between  the variables  like  supply  and demand  price an supply  income  and expenditure etc.

3.The relation  between variables  can be  verified and tested  fro significance with  the help of the  correlation analysis. The effect  of correlation  is to  reduce  the range  of uncertainty of our  prediction.

4. The coefficient  of correlation is a relative measure and we  can compare the  relationship  between  variables which are  expressed in different units.

5.Sampling  error can also  be calculated.

6. Correlation  is the  basis  for the  concept of regression  and ratio of variation.

 


Related Discussions:- Usefulness of correlation - correlation regression analysis

Determining sample size for estimating poportions, Determining Sample Size ...

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

Linear programing problems, basic requirements for solving linear programin...

basic requirements for solving linear programing using simplex method

Quantitative Technique for business, Davidson construction company is build...

Davidson construction company is building a luxury lakefront home in batangas coordination of the architech an sub contractors will require a major effort to meet the 44-week (appr

Business Simulation Model, How much does cost for developing a simple model...

How much does cost for developing a simple model using Simuli 8 software and 2 pages write up (Explaining model). This is for my university assignment. For example last year assig

Z-test - hypothesis testing, Z-Test Prof. Fisher has  given a method  of...

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

Steps of field study, Festinger and Katz have described followings six ste...

Festinger and Katz have described followings six steps in the conduct to a field study. a. Preliminary Planning :Deciding scope and objectives of study and the time table

Linear programming simplex method, How to solve linear programming problems...

How to solve linear programming problems using simplex method introducing slack variable,surplus variable and artificial variable

Computer aid for quantitative data analysis, Normal 0 false ...

Normal 0 false false false EN-IN X-NONE X-NONE

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd