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

Major advantages of the single entry system, What are the major advantages ...

What are the major advantages of the Single Entry System? Ans. A Single Entry system is considered to be the most simplest method to record the financial transaction, only cash bo

Plural sense, explain all the nature of statistics

explain all the nature of statistics

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

Marketing research field surveys, In marketing research field surveys ar...

In marketing research field surveys are commonly used to collect primary data from the respondents. 1. Through Personal Interviews: The investigator follows a rigid proced

Define Betterment, Define Betterment An inclusion created to, or modify cr...

Define Betterment An inclusion created to, or modify created in, an investment resource, other than servicing, that is estimated to improve its predicted useful life or to improve

Homework, 9. From 11 positive integer scores on a 10-point quiz, the mean i...

9. From 11 positive integer scores on a 10-point quiz, the mean is 8, the median is 8, and the mode is 7. Find the maximum number of perfect scores possible on this test.

According to you are the biggest challenges of moving ifrs, What according ...

What according to you are the biggest challenges of moving to IFRS? Manager 1: Well, there are going to be a lot of changes. IFRS is known to be more principle based than the

Normal distribution, In a mathematics examination the average grade was 82 ...

In a mathematics examination the average grade was 82 and the standard deviation was 5. all students with grade from 88 to 94 received grade of B. if the grade are approximately no

Probability, what is an exclusive probability

what is an exclusive probability

Define right selling and buying strategy, Mr. Palsson plans to buy a MacBoo...

Mr. Palsson plans to buy a MacBook Pro which can hold the 6GB of RAM (he has a 4GB chip laying around, so he doesn't care what RAM is actually in the computer, as long as the compu

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