The correlation coefficient between two quantitative variables is approximately 0.6. What does the value of this correlation coefficient indicate about how well the model fits the data?
A.
The model is not a good fit.
B.
The model is a good fit.
C.
The correlation coefficient is not within the correct range.
D.
No conclusion can be drawn regarding how well the model fits the data.

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First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.