Q: What does the size of a correlation coefficient indicate?

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Yes, but the relationship need not be causal.

0

partial correlation is the relation between two variable after controlling for other variables and multiple correlation is correlation between dependent and group of independent variables.

impossible

The graph follows a very strong downward trend. Would have helped if you specified which correlation coefficient; there are different types.

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Yes, but the relationship need not be causal.

Yes it can be a correlation coefficient.

No, it cannot be a correlation coefficient.

No, it depends upon the size of the coefficient of correlation: the closer to Â±1 the stronger the correlation.When the correlation coefficient is positive, one variable increases as the other increases; when negative one increases as the other decreases.

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

The correlation coefficient is symmetrical with respect to X and Y i.e.The correlation coefficient is the geometric mean of the two regression coefficients. or .The correlation coefficient lies between -1 and 1. i.e. .

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.

the correlation coefficient range is -1 to +1

Evidence that there is no correlation.

coefficient of determination

The correlation coefficient must lie between -1 and +1 and so a correlation coefficient of 35 is a strong indication of a calculation error. If you meant 0.35, then it is a weak correlation.

The correlation coefficient is symmetrical with respect to X and Y i.e.The correlation coefficient is the geometric mean of the two regression coefficients. or .The correlation coefficient lies between -1 and 1. i.e. .