Use technology to compute and interpret the correlation coefficient of a linear fit.
Determine whether a reported correlation coefficient is possible
Problem
Identify whether \(r\text{-}\text{value}\) \(1.2\) is possible for a correlation coefficient.
Big Picture
What this problem is really about
The correlation scale has fixed endpoints because standardized covariance cannot exceed perfect positive or negative linear alignment. Check every reported value against the closed interval from negative one to one; a value beyond an endpoint is invalid, not a new category of extra-strong association.
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