For which of the following research questions is the use of the Pearson correlation coefficient appropriate?
A) Peter wants to find whether the means of two independent groups are significantly different.
B) Joyce wants to find out whether the means of two dependent groups are significantly different.
C) Bryan wants to find out whether the mean of his observed sample is significantly different from the population.
D) None of the above

Question

Quizplus · Accepted Answer

The Pearson correlation coefficient is used to measure the strength and direction of the linear relationship between two continuous variables, not to compare means between groups or to compare a sample mean to a population mean.

For Which of the Following Research Questions Is the Use