The points (x, y) in the scatterplot at right have a correlation coefficient T = 0.908. Which of the following are true about the random variables X and Y? Check all that apply. X 7.7 12.1 12.3 13.1 17.1 19.4 4.1 5.2 5.7 6.0 6.1 9.0 There is a sigficant positive linear correlation at the a = 0.05 significance level. There is a sigficant positive linear correlation at the a = 0.01 significance level. There is a sigficant negative linear correlation at the a = 0.05 significance level. There is a sigficant negative linear correlation at the a = 0.01 significance level. None of these