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

Advantages of ifrs over the other accounting standards, IFRS has a lot of a...

IFRS has a lot of advantages over the other accounting standards - Provides consistency Ensures better comparability across organizations across the globe Decreases the c

Inductive Reasoning to Find Pattern, Use inductive reason to find a pattern...

Use inductive reason to find a pattern for the answers. 9x9=81 99x99=9801 999x999=998001 9999x9999=99980001 99999x99999=?

PROBABILITY & STATISTICS I, Design an investigation that details the follow...

Design an investigation that details the following six components: Note: If one or more of the following components do not apply to your investigation, explain why each does n

Impulse-momentum theorem, Impulse and Momentum Theorem   Impulse is known...

Impulse and Momentum Theorem   Impulse is known as the change in momentum of any object:  j  = Δ p   Momentum  is a product of the mass & the velocity of an object, and is a v

Sample space of an experiment, 1.The resumés of 2 males applicants for a co...

1.The resumés of 2 males applicants for a college teaching position in chemistry are places in the same file as the resumés of 2 female applicants. Two positions become available a

What is univariate and bivariate data, Q. What is Univariate and Bivariate ...

Q. What is Univariate and Bivariate Data? Ans. Univariate data is data gathered about a single variable. Univariate studies could include a study of the amount paid by Am

Spss data analysis assignment, At the end of their first year of teaching, ...

At the end of their first year of teaching, 11 teachers were jointly ranked by two school administrators to reflect their relative degree of teaching competence. Unknown to the adm

Schedules, what are the characteristics of schedules

what are the characteristics of schedules

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