Question: If the R square value is 0.73, which statement below is correct? R square is the square root of r. R square is the coefficient

If the R square value is 0.73, which statement below is correct?

 R square is the square root of r.
R square is the coefficient of correlation.
R square of 0.73 tells us this is a postive correlation. R square of -0.73 would be a negative correlation.
We can tell that the coefficient of correlation is 0.73 which is a strong correlation. 0.25 is weak, and 0.5 is moderate.
We can explain 73% of the change in the dependent variable by changes in the indpendent variable.

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