For a given data set, a test of association based on a slope is equivalent to a test of association based on a correlation coefficient. Being equivalent means which of the following is true?
A. The confidence intervals for the population correlation and population slope will be the same.
B. The observed correlation will be the same as the observed slope of the regression line.
C. The p-value will be the same whether you use correlation as the statistic or the slope of the regression line as the statistic.
D. All the above.