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

Hypothesis testing.., Miller (2008) examined the energy drink consumption o...

Miller (2008) examined the energy drink consumption of college undergraduates and found that males use energy drinks significantly more often than females. To further investigate t

Accounting cases, Hi I just want to know if you many be able to solve thes...

Hi I just want to know if you many be able to solve these three cases for intermediate accounting class! Thank you

Poisson distribution, uuuuioooooo zAZ az; z;;ZuazA; Zazx A Za zA ZA xza XZ ...

uuuuioooooo zAZ az; z;;ZuazA; Zazx A Za zA ZA xza XZ Axz AZX A xA XZ axz AZX A zxA ZXa oxz aOX AxzAAX axz

Employee portion of social security tax, Employee portion of Social Securit...

Employee portion of Social Security tax A key part of paycheck bookkeeping is the Public Protection tax (The Public Protection tax along with the Medical health insurance tax m

Working capital, prepare an estimate of working capital requirements from t...

prepare an estimate of working capital requirements from the following information 1. project annual sales 1,00000/- 2. selling price Rs. 8/unit 3.percentage of net profit on sale

Momentum and energy, Momentum and Energy Statement 1: If there is a defin...

Momentum and Energy Statement 1: If there is a definite force there is a definite displacement, which means that work is done definitely by the force. And Statement 2: The wor

Allowance for uncollectible , Allowance for uncollectible A contra-asset a...

Allowance for uncollectible A contra-asset assessment consideration used to indicate the part of a / r that is approximated to be uncollectible.

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