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it shows any pattern that may emerge in any given set of date, this includes a positive or negative correlation.

positive where a gradient goes from low to high

negative where a gradient goes from high to low

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15y ago

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Related Questions

Where is it not possible to use correlation?

It is not possible to use correlation when the two variables are not related at all. the corelation coefficient value that will be obtained will have no significance.


Significant of homosexuals to the teachers?

There is no significance or correlation between gay people and teachers.


What serves as standard of comparison to evaluate effect of the independent variable on dependent variable?

The correlation coefficient, plus graphical methods to verify the validity of a linear relationship (which is what the correlation coefficient measures), and the appropriate tests of the statisitical significance of the correlation coefficient.


What is the significance of using coefficient of correlation as a statistical tool of analysis?

It tells you how strong and what type of correlations two random variables or data values have. The coefficient is between -1 and 1. The value of 0 means no correlation, while -1 is a strong negative correlation and 1 is a strong positive correlation. Often a scatter plot is used to visualize this.


How is a point-biserial correlation coefficient tested for statistical significance?

See Terrell, C. D. (1982). Significance tables for the biserial and point biserial. Educational and Psychological Testing, 42, 975-981.


What is the significance of the correlation length in the Ising model?

In the Ising model, the correlation length is important because it indicates how far apart spins are correlated with each other. A longer correlation length means that spins are more likely to influence each other over greater distances, which can affect the behavior of the system as a whole.


Auto correlation and cross correlation?

Auto correlation is the correlation of one signal with itself. Cross correlation is the correlation of one signal with a different signal.


What is the significance of correlation time in the context of statistical analysis?

In statistical analysis, correlation time is important because it measures how long it takes for two variables to become independent of each other. It helps determine the strength and stability of relationships between variables over time.


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positive correlation-negative correlation and no correlation


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No. The strongest correlation coefficient is +1 (positive correlation) and -1 (negative correlation).


What is the maximum and minimum value of the correlation coefficient?

The correlation can be anything between +1 (strong positive correlation), passing through zero (no correlation), to -1 (strong negative correlation).


What is a sample correlation?

If measurements are taken for two (or more) variable for a sample , then the correlation between the variables are the sample correlation. If the sample is representative then the sample correlation will be a good estimate of the true population correlation.