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

Help, A paper mill produces two grades of paper viz., X and Y. Because of r...

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

Objectives of measuring dispersion - measure of dispersion, Objectives of M...

Objectives of Measuring Dispersion a. To judge the Reliability  of Measures of Central Tendency: Measure of dispersion  is the  only means  to test the  representative charac

Linear programming, 3. A paper mill produces two grades of paper viz., X an...

3. 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 pape

Prepare an executive level financial report, Research Project I will as...

Research Project I will assign a project for your class. The following description is an example of such a project. I may select the following company, may select a different c

Banking operations, sir plz suggest me any book for this...or notes.....

sir plz suggest me any book for this...or notes.....

Research, Discus and explain both probability and none probability sampling...

Discus and explain both probability and none probability sampling techniques

Sequencing problem, how do you use gantt chart for solving sequencing probl...

how do you use gantt chart for solving sequencing problem ? why is it not employed for solving larger problems?

Sope, sope of operations research in a detailed manner

sope of operations research in a detailed manner

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