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

Use this information to construct the 90% and 95% confidence, From random s...

From random sample of 48 days in a recent year, U.S. gasoline prices had a mean of $3.63. Assume the population standard deviation is $0.21?

Corporate B onds/Preffered Stocks, If an exact answer isn''t possible, I re...

If an exact answer isn''t possible, I really just need a guide. The company we are using is GameStop Corp, listed as GME on the NYSE. Using the supplied information and referring

Bonds payable, Bonds payable The face worth of bonds issued and honorary. ...

Bonds payable The face worth of bonds issued and honorary. In the case of zero-coupon bonds, however, and the only and the accreted value of the tie is reported as bonds owed on t

Central tendency, List down various measures of central tendency and explai...

List down various measures of central tendency and explain the difference between them?

Strategy nash equilibrium, Consider a population of consumers uniformly dis...

Consider a population of consumers uniformly distributed along the interval from left-hand (x = 0) to right-hand (x=1). The mass of consumers is 1. There are two firms (F1 and F2)

Find the probability density function, The lifetime T (in days) of an elect...

The lifetime T (in days) of an electrical component has reliability function given by: R(t) = e - 0 : 01 t for time t > 0. An electrical system consists of four such component

Study guide, Can you provide me a study guide for accounting please? Can yo...

Can you provide me a study guide for accounting please? Can you give me picture examples & instructions on how to do things that are really easy to understand? I need this for doin

Tax, _______ 1. F''s share of income from various sources is as follows for...

_______ 1. F''s share of income from various sources is as follows for the current year: Source F''s Share of Entity''s Net Income F''s Share of Distributions ABC Partnership after

Sampling, what are the methods of sampling

what are the methods of sampling

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