Question

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

  4. ?=−1

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 ?

Answer 1