Use the Following Information to Answer the Question

Multiple Choice

Use the following information to answer the question. A statistics professor is interested in learning whether there is a positive association between number of posts by online students on a message board and the final class average in an online statistics course. The computer output below shows the results from a regression model in which the final class average was predicted by the number of message board posts. Assume that the conditions of the linear regression model are satisfied.

-Choose the correct null and alternative hypothesis to test whether there is an association between final class average and number of message board posts.

A) H0: There is a linear association between the number of message board posts and the final class average. H_a: There is no linear association between the number of message board posts and the final class average.
B) H0: The correlation is positive. Ha: The correlation is zero.
C) H0: There is no linear association between the number of message board posts and the final class average. H_a: There is a positive linear association between the number of message board posts and the final class average.
D) None of these.