The university selection committee assumes that the more involved a student was in high school the higher grades they will recieve in college. They wanted to know if their assumption was true so they ran the correlation and found that r = .54 and r-critical = .39. (a) Should the researcher retain or reject the null hypothesis? reject retain (b) This correlation shows... a positive linear relationship a negative linear relationship no linear relationship (c) This finding... supports the research hypothesis does not support the research hypothesis