Correlation - correlation & regression analysis, Operation Research

Assignment Help:

CORRELATION

Correlation is  the study of the  liner relationship  between  two variable when there is a  relationship of quantitative measures between two set  of variable  the appropriate statistical tool for measuring the relationship and expressing each in a precise way is known  as correlation. For  example  there is a relationship  between  the  heights and  weights of persons demand  and prices of  commodities etc.

According  to W.I. King Correlation  means  that between  two series or groups  of data  there exists  some  relationship  connections.

According to croxton and Cowden" The appropriate statistical   tool for  discovering and  measuring  the relationship of quantitative nature and expressing it in   brief  formula is known as correlation.

The coefficient  of correlation measures the degree  of relationship  between  two set  of figures. As  the reliability  of estimates depend upon the  closeness  of the relationship it is imperative that  utmost care be taken  while  interpreting the value of coefficient of correlation  otherwise fallacious conclusion can  be draw.

 

 


Related Discussions:- Correlation - correlation & regression analysis

Necessity of operations research, After having studied as to what is op...

After having studied as to what is operations research we shall now try to answers why its need has been felt by the industry. As already tainted out science of OR came

Markov analysis, The town of Silverton, Colorado, has three gasoline statio...

The town of Silverton, Colorado, has three gasoline stations, Shell, Exxon, and Arco. Customer selection of service stations can be modeled as a Markov process, with the following

Solved a.q, Solve the following Linear Programming Problem using Simple met...

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

Liner, #question.A paper mill produces two grades of paper viz., X and Y. B...

#question.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

Higher order table, Higher Order  Table   When  three  or more  charac...

Higher Order  Table   When  three  or more  characteristics are represented in the same  table such a table  is called  higher order table. The  need  for such  a table arises

Methods of calculation of standard deviation , Methods  of calculation of ...

Methods  of calculation of standard deviation a. Calculation of Standard  Deviation  - Individual Series: There  are two methods of calculating standard  deviation in an ind

Simplex method of LP, MAX: 150 X1 + 250 X2 Subject to: 2 X1 + 5 X2 = 200 - ...

MAX: 150 X1 + 250 X2 Subject to: 2 X1 + 5 X2 = 200 - resource 1 3 X1 + 7 X2 = 175 - resource 2 X1, X2 = 0 2. How many units of resource 1 are cons

Machine tabulation, Machine  Tabulation This methods  of tabulating i...

Machine  Tabulation This methods  of tabulating information  is generally used in  case of extensive  large scale  surveys. Mechanical sorting and tabulating equipments and su

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