# Choose the value of the Pearson’s Correlation Coefficient (r) that best describes the two plots

Choose the value of the Pearson’s Correlation Coefficient (r) that best describes the two plots. PLOT I PLOT II 180 180 40 143 120 120 00- 100- 90- 00- 50- 63 120 140 100 140 160 40 6C 100 20 Question 8 options: A) I: 0.20, II: -0.98 B) I: 0.90, II: -0.80 C) I: -0.88, II: 0.80 D) I: 0.45, II: -0.92 E) I: 0.70, II: 0.60 Suppose you are interested in the relationship between number of hours spent on studying STAT 3660 (X) and Final grade for STAT 3660 (Y). You would expect the correlation between X and Y to be _____. Question 9 options: A) positive B) negative C) close to zero D) r = 0 E) cannot determine without data Suppose you are interested in the relationship between number of hours a light bulb is used (X) and the lifetime of the light bulb (Y). You would expect the correlation between X and Y to be _____. Question 10 options: A) positive B) negative C) close to zero D) r = 0 E) cannot determine without data