The cut off number for EXY is 71, please make sure I'm doing this correctly!

The following 12 questions (Q1 to Q12) are based on the summarized table below: Hours Studied X2 Score on Quiz Y2 1 25 4 9 un WN 9 25 25 81 EX = 11 EY = 22 EXY EX2 = 39 CY2 =140 Q1: What is the predictor variable? X Q2: What is the criterion variable? y Part A** Compute the Pearson correlation. Steps: Q3: What is the covariance? 3.5 Q4: What is the standard deviation of the predictor variable? 1. 707.825 Q5: What is the standard deviation of the criterion variable? 2. 5 1611 Q6: What is the Pearson's r value? 814345 Q7: What is the best interpretation of your Pearson correlation in Q6? A. As 'hours studied' goes up there is a corresponding increase in 'scor B. As 'hours studied' goes up there is a corresponding decrease in 'sco quiz' Q8: The strength of the above relationship is considered A. weak B. moderate C. strong Part B**Compute the regression equation