Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box.
1. ?= −.15
2. ?= .92
3. ?= −.97
4. r= -1
The regression line is the straight line that bests fits a set
of data points according to what?
A. Most accurate regression criterion
B. Least-squares criterion.
C. Greatest-squares criterion
D. None of the above
A. a strong negative relationship between ? and ?
B. a weak negative relationship between ? and ?
C. a perfect negative relationship between ? and ?
D. a strong positive relationship between ? and ?
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