Explain correlation coefficient, Basic Statistics

Assignment Help:

Q. Explain Correlation Coefficient?

Ans.

The strength of a linear correlation is determined by how precisely the y variable shifts as the x variable increases. The two pictures on the right show data with a higher correlation than those on the left.

1619_Explain Correlation Coefficient.png

Data is said to have a perfect correlation if all points lie exactly along a line.

259_Explain Correlation Coefficient1.gif

The correlation coefficient, r, is a measure of the strength of the correlation. It is a number between 1 and +1. +1 indicates a perfect positive correlation and 1 indicated a perfect negative correlation. If r is positive, then there is a positive correlation between the two variables. If r is negative, there is a negative correlation between the variables.


Related Discussions:- Explain correlation coefficient

Method of analysis used by the firm, 1. (i) Complaints were made about the ...

1. (i) Complaints were made about the level of pollutants in the discharge from a certain factory.  The factory refuted the complaints by showing the results of their own analysis

Mineral water factory., what is the point that i have to konow about the co...

what is the point that i have to konow about the cost accounting inorder to eneter in job

Books of original entry, Books of original entry Books of original entranc...

Books of original entry Books of original entrance are a record in which the various or many other transactions are initially and formally recorded and serve up as the straight so

Trial balance, paid installation charges of machinery rs1100

paid installation charges of machinery rs1100

Managerial, Kody Corporation uses a job-order costing system with a plantwi...

Kody Corporation uses a job-order costing system with a plantwide overhead rate based on machine-hours. At the beginning of the year, the company made the following estimates:

Calculate the investments through model, Anna is considering investing $150...

Anna is considering investing $150,000 by dividing it into three investments. But she is not sure how much to put in each one. The first investment is known to follow a uniform dis

Cost accounting, Job Order Gosting ln an attempt to conceal a thefi of fund...

Job Order Gosting ln an attempt to conceal a thefi of funds, Kaito Kid, controller of Shinichi Products, lnc. placed a bomb in the company s record vault. The ensuing explosion lef

Applications of linear regression, Linear regression is widely used in bi...

Linear regression is widely used in biological behavioral and social sciences to describe relationship between variables. It ranks as one of the most important tools used

Characteristics, explain the characteristics of statistics

explain the characteristics of statistics

Management accounting, Q. CRSL has a large auditorium which can cater for ...

Q. CRSL has a large auditorium which can cater for 300 people and is ideal for formal balls and functions. The auditorium can also be reconfigured to cater for 100 people. The Sea

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