An instructor finds that, in general, the more other instructors use Powerpoint presentations and web sites, the less often students attend class. Which of the following correlations reflects this relationship?
A) r = .50
B) r = -.50
C) r = 1.00
D) r = -1.00

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The Answer of An instructor finds that, in general, the more other instructors use Powerpoint presentations and web sites, the less often students attend class. Which of the following correlations reflects this relationship?
A) r = .50
B) r = -.50
C) r = 1.00
D) r = -1.00

An Instructor Finds That, in General, the More Other Instructors