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

Statistics is the backbone of decision-making, 1. (a) 'Statistics is the ba...

1. (a) 'Statistics is the backbone of decision-making'. Describe.     (b) 'Statistics is as good as the user'. Describe. 2.  Differentiate between the following with example.

Define Agency solutions , Define Agency solutions Every condition agency,...

Define Agency solutions Every condition agency, office, board, commission, department, condition organization, or condition organization of degree, which includes all condition u

Red candy, Test the claim that 10% of a candy makers candies are red. Use a...

Test the claim that 10% of a candy makers candies are red. Use a 0.05 significance and the table to answer the following questions: Find the proportion of the candies that are red?

Factorial anova , Assessment Two tests your ability to conduct a factorial ...

Assessment Two tests your ability to conduct a factorial ANOVA and make appropriate decisions regarding any follow up comparisons. The following data set is adapted from Jaccard an

GENERAL ENTRY PROBLEM, could you please tell meaning of credit and debit no...

could you please tell meaning of credit and debit notes in terms of intercompany transactions.

Basic accounting, Give certain creative assignment for freshers of accounti...

Give certain creative assignment for freshers of accounting

Index numbers, Geometric mean of index number of laspeyres and paasches = 2...

Geometric mean of index number of laspeyres and paasches = 229.5468 , while sum of their index number=480 find out laspeyre''s and paasche''s indices.

Accreted value definition, An assessment time frame for certain purchases a...

An assessment time frame for certain purchases and debt equipment that reviews on the stability piece only that part of their face value that shows major and interest acquired curr

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