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

What is a basis point?, What is a basis point? A base factor is a hundre...

What is a basis point? A base factor is a hundredth (1/100) of an amount factor. Indicated another way, one amount factor is equal to 100 base factors. This means that if an amo

Ifrs financial instruments, journal entries of a loan swap with different c...

journal entries of a loan swap with different currency

Calculate the probability of coin, Q1. If you throw a coin 5 times, what is...

Q1. If you throw a coin 5 times, what is the probability of: - throwing 5 heads - throwing 4 tails - throwing 3 heads and 2 tails Q2. Construct a tree diagram to verify your ans

Depression screening measures , A study of a new anti-depressant drug took ...

A study of a new anti-depressant drug took a sample of 10 individuals with high depression screening measures (DSM) and gave them the drug for three months.  At the end of the thre

Regression line, regression line drawn as Y=c+1075x, when x was 2 and y was...

regression line drawn as Y=c+1075x, when x was 2 and y was 239, given that y intercept was 11. calculate the residual

Managerial accounting homework, Your friend Jose is trying to decide whethe...

Your friend Jose is trying to decide whether to buy or lease his next vehicle. He has gathered information about each option but is not sure how to compare the alternatives. Purcha

Index nos, why indux number considerd as an economic barrometer

why indux number considerd as an economic barrometer

Applying missing data, For this assignment, you will have to review each co...

For this assignment, you will have to review each column and make a decision for how to adjust for the missing data. After you correct for missing data in each column, please des

Current development project and presentation , review the financial disclos...

review the financial disclosures for two publicly traded companies. Identify recently promulgated (or proposed) accounting pronouncements that have an impact on the companies. In a

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