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

Analytical and decision- making skills, This assessment aims to provide stu...

This assessment aims to provide students with the opportunity to hone their analytical and decision- making skills. It also aims to help students develop their ability to think cre

Linear programming problem, Solve the following Linear Programming Problem ...

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

Sources of stress and job burnout, QUESTION Discuss the major sources o...

QUESTION Discuss the major sources of stress and job burnout and outline the strategies for managing stress. QUESTION How can you use the „Johari Window Model? as a

Competitive models, These models have been developed to establish a trade ...

These models have been developed to establish a trade off between costs of providing and the waiting time of a customer in the queuing system. Constructing a model entails desc

Linear progaming, #questA paper mill produces two grades of paper viz., X a...

#questA 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 p

Optimal assingment, words each) Q2. Six Operators are to be assigned to fiv...

words each) Q2. 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 ha

Liner programming problem, A constraints in an LPP restricts? (Value of obj...

A constraints in an LPP restricts? (Value of objective function,Value of decision variable,Use of available resources, uncertainty of optimum value) please help me to find out righ

Expected value analysis, Profitable Casino Corp. (PCC) is a Harrah's wannab...

Profitable Casino Corp. (PCC) is a Harrah's wannabe, intent on mimicking Harrah's analytical marketing techniques.  For example, PCC issues virtually all gamers a PCC "Rewards" car

Formulate this as a Linear Programming Problem., A paper mill produces two ...

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

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