0
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When there is no linear correlation the correlation coefficient equals?
0
What is the range of correlation coefficient and what does its value tell?
The product-moment correlation coefficient or PMCC should have a value between -1 and 1. A positive value shows a positive linear correlation, and a negative value shows a negative linear correlation. At zero, there is no linear correlation, and the correlation becomes stronger as the value moves further from 0.
When high scores go with high scores and low with low the correlation coefficient what will be between 0 and?
1
What Are The Properties Of Regression Coefficient?
(a) Correlation coefficient is the geometric mean between the regression coefficients. (b) If one of the regression coefficients is greater than unity, the other must be less than unity. (c) Arithmetic mean of the regression coefficients is greater than the correlation coefficient r, provided r > 0. (d) Regression coefficients are independent of the changes of origin but not of scale.
How can you determine whether two variables x and y for a real life situation are correlated?
You calculate a correlation coefficient and test to see if it is statistically different from 0.
When there is no linear correlation the correlation coefficient equals?
0
What is the correlation coefficient of -2?
A serious error. The maximum magnitude for a correlation coefficient is 1.The Correlation coefficient is lies between -1 to 1 if it is 0 mean there is no correlation between them. Here they are given less than -1 value so it is not a value of correlation coefficient.
What is the weakest correlation coefficient?
The weakest correlation coefficient is 0, which means there is absolutely no relationship between the two variables you are correlating.
What numbers will a correlation coefficient not ever be?
34.32245Correlation coefficient is less than -1 and greater than 1.Note: The Correlation coefficient is lies between -1 to 1 if it is 0 mean there is no correlation between them.
Which is strongest value for correlation coefficient -0.75 and 0.25?
The further the correlation coefficient is from 0 (ie the closer to ±1) the stronger the correlation.Therefore -0.75 is a stronger correlation than 0.25The strength of the correlation is dependant on the absolute value of the correlation coefficient; the sign of the correlation coefficient gives the "relative" slope of correlation line:+ve (0 to +1) means that as one variable increases the other also increases;-ve (0 to -1) means that as one variable increases the other decreases.
Correlation coefficient value of 0.00 indicates two variables are not related?
If the correlation coefficient is 0, then the two tings vary separately. They are not related.
When a correlation coefficient is near 1 there is little or no correlation between corresponding variables.?
This statement is incorrect. A correlation coefficient near 1 indicates a strong positive correlation between the variables, meaning that as one variable increases, the other tends to increase as well. Conversely, a correlation coefficient near -1 indicates a strong negative correlation, where one variable increases as the other decreases. A correlation coefficient close to 0 suggests little to no correlation.
Correlation coefficient is the measure of?
Correlation coefficient is a measure of the strength and direction of a relationship between two variables. It quantifies how closely the two variables are related and ranges from -1 (perfect negative correlation) to 1 (perfect positive correlation), with 0 indicating no correlation.
What is a type of correlation coefficient?
A type of correlation coefficient is the Pearson correlation coefficient, which measures the strength and direction of the linear relationship between two continuous variables. Its value ranges from -1 to 1, where -1 indicates a perfect negative correlation, 1 indicates a perfect positive correlation, and 0 indicates no correlation. Other types include the Spearman rank correlation coefficient, which assesses the relationship between ranked variables, and the Kendall tau coefficient, which measures the ordinal association between two quantities.
What correlation coeficcients expresses weakest degree of relationship?
The correlation coefficient that expresses the weakest degree of relationship is 0. A correlation coefficient of 0 indicates no linear relationship between the two variables being analyzed. Values closer to -1 or +1 indicate stronger negative or positive relationships, respectively. Thus, a coefficient of 0 signifies that changes in one variable do not predict changes in the other.
What is the range of correlation coefficient and what does its value tell?
The product-moment correlation coefficient or PMCC should have a value between -1 and 1. A positive value shows a positive linear correlation, and a negative value shows a negative linear correlation. At zero, there is no linear correlation, and the correlation becomes stronger as the value moves further from 0.
What are the characteristics of a correlation coefficient?
A correlation coefficient measures the strength and direction of a linear relationship between two variables. It ranges from -1 to +1, where +1 indicates a perfect positive correlation, -1 indicates a perfect negative correlation, and 0 signifies no correlation. The closer the coefficient is to either extreme, the stronger the relationship. Additionally, it does not imply causation; a high correlation does not mean one variable causes changes in another.
