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

The smallest total monthly cost , Each month, the firm Cashco has 50% chanc...

Each month, the firm Cashco has 50% chance that an amount of $ 1,000 will be credited In its current account, and a 50% chance that the account is debited $ 1,000. As current accou

What is the net book value of a noncurrent asset, What is a sole proprietor...

What is a sole proprietorship? A sole proprietorship is a form of business organization that is owned by one person. The owner is referred to as a sole proprietor. In accoun

Long term credit decision, Long Term Credit Decision In no more than o...

Long Term Credit Decision In no more than one typed page, provide a statement of your decision to lend or not lend to this company based on your interpretation of the company'

Probabilities, What is the probability of selecting exactly one red and one...

What is the probability of selecting exactly one red and one blue fish (Total red is .479 and total blue is .521 and total of both is 1.000) I cannot figure out the formula or how

Topic 4 Anova excel worksheet, systolic blood pressure in different age gr...

systolic blood pressure in different age groups. the following table contains a random sample of 40 women partitioned into three groups...

Surveys through schedules, Under this methods the enumerators are appointed...

Under this methods the enumerators are appointed and given training. They are provided with schedules containing relevant questions. These enumerators go to respondents with the

Construct a stem-and-leaf diagram, An internal report issued by the marketi...

An internal report issued by the marketing manager of a oil-change franchise claims that the mean number of miles between oil changes is for franchise customers is at least 3600 mi

Best subsets” method to identify a “best” model for the data, Use the “best...

Use the “best subsets” method to identify a “best” model for the data. Explain what you think is the best model and why.

meanings of statistics by different authors, meanings of statistics by dif...

meanings of statistics by different authors and importance of statistics in the field of Education

DIFFARENCE , Differentiate between Historigrams and Histogram

Differentiate between Historigrams and Histogram

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