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

Find out the value to the firm and wacc , 1. HV Inc. is trying to determine...

1. HV Inc. is trying to determine the optimal time to undertake a product expansion. The project will require an initial investment of $15M and the firm has a WACC of 3%. The expan

Multi stage sampling, Multi stage Sampling: This is a further development o...

Multi stage Sampling: This is a further development of cluster sampling. This techniques is meant for big inquiries extending to a considerably large l geographical area like an en

Accounting and finance for managers , From the following cost, production...

From the following cost, production and sales data of Decors Motor Ltd., prepare comparative income statement for three years under (i) absorption costing method, and (ii) marginal

Identification of null and alternative hypotheses, A politician claims that...

A politician claims that the mean salary for managers in his state is more than national mean $82,000.  The salaries (in dollars) for a random sample of 30 managers in the state ar

Index number, How to solve problems of index number fixed based method

How to solve problems of index number fixed based method

Revenues , why are revenues an important number in financial statements?

why are revenues an important number in financial statements?

Compute the test statistic, Choose a variable and collect data consisting o...

Choose a variable and collect data consisting of at least 30 values. Before collecting the data, decide what a likely average might be, then complete the following: a. Write a b

Bond redemption, Bond redemption The regaining of control of bonds formerly...

Bond redemption The regaining of control of bonds formerly issued by expense of amount due to the owner.

Generally accepted accounting principles-gaap, Generally Accepted Accountin...

Generally Accepted Accounting Principles-GAAP:  GAAP is an Americanized term for the accounting standards and procedures that need to be followed by companies while compiling their

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