Which of the following statements is true?
A) Causation always exists when there is a high correlation between the variables.
B) Variables can be statistically related even if they are not causally related.
C) Regression can be used to measure the linear association between two nominal variables.
D) When the correlation between two variables is 0, it implies a perfect positive association.

Question

Quizplus · Accepted Answer

Correlation does not imply causation, as there could be other factors influencing the relationship between variables. Therefore, option B is the correct statement. Option A is false as correlation does not always imply causation. Option C is false as regression is used to measure linear association between numerical variables, not nominal variables. Option D is false, as a correlation coefficient of 0 implies no linear association between the variables.

Which of the Following Statements Is True