Amelia takes online practice tests as part of her preparation for a competitive examination.If the tests are known to be highly reliable,which of the following would most accurately be the correlation coefficient of her test results over a seven-day period?
A) 0.5
B) 0.43
C) 0
D) 0.99
E) 0.72

Question

Quizplus · Accepted Answer

Since the test is highly reliable, the correlation coefficient would be 0.99. A reliable test would be one for which scores by the same person or people with similar attributes have a correlation close to 1.0.

Amelia Takes Online Practice Tests as Part of Her Preparation