Which of the following is most clearly a statement about a statistical relationship between variables?
A) About one-third of Americans have a psychological disorder at some time in their lives.
B) Summer temperatures in Phoenix often exceed 100 degrees Fahrenheit.
C) "Pain-Away" is more effective at treating headaches than its nearest competitor.
D) Prejudice is a serious problem.

Question

Quizplus · Accepted Answer

"Pain-Away" being more effective at treating headaches than its nearest competitor is a statement about a statistical relationship between variables (the effectiveness of different headache treatments). The other options do not provide information about a relationship between variables.

Which of the Following Is Most Clearly a Statement About