Which or the following is not a possible value for the correlation coefficient (r)?
2 answers:
<h3>Answer: A) 2</h3>
Explanation:
The correlation coefficient r has this range of values
which can be stated as "r is between -1 and 1, including both endpoints".
As you can see, r = 2 is outside this range and not a possible correlation coefficient. The largest r can get is r = 1 to indicate perfect positive linear correlation.
On the other end of the spectrum, r = -1 means perfect negative linear correlation. In between, r = 0 means no linear correlation at all.
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