Question

Which of the following statements is correct concerning correlation coefficients? A correlation of +.89 is strong and –.89 is weak. A correlation of +.89 and –.89 are both strong and equally so. Correlation coefficients are indicators of cause and effect. A correlation of +1.5 is very strong.

Answer 1

Not sure where you meant to post this, but it does not seem to be a health science related question.