Poindexter finds r = -.80 when correlating number of hours studied and number of errors made on

Question:

Poindexter finds r = -.80 when correlating number of hours studied and number of errors made on a statistics test. He also finds r = + .40 between speed of taking the test and number of errors on the test. He concludes that hours studied forms twice as strong a relationship and is therefore twice as important as the speed of taking the test.
(a) Why is he correct or incorrect?
(b) Compare these relationships and draw the correct conclusion.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: