2:34 AA asu.instructure.com C Page 1 > of 2 O ZOOM + HW 5 Assignment HW 5 Chapter Five 1. Use the following dataset for questions la and 1b: (2pts) Hours of Studying GPA 23 3.20 12 3.50 15 4.00 14 3.80 16 3.95 21 3.60 18 3.33 a. Does the relationship between hours of studying and GPA, based on your reading of this dataset, appear to be direct/positive, indirectegative, or curvilinear? How did you know? (Try and figure out if high numbers on "X" associate with high numbers on "Y" or low numbers on "Y", that might give you a clue.) (Hint: look at the 'When correlations lie' ppt slides) b. Based on your answer from above, what conclusion can you make about the relationship between hours of studying and GPA? What would you tell an incoming class of freshman at ASU given these results? 2. Indicate (by bolding or highlighting) which correlation coefficient in each of the following pairs is stronger. (Hint: you should bold or highlight four times) (4pts) a. .71 or -.70 b. .63 or .55 c. .33 or -.50 d. .90 or -.952:34 AA asu.instructure.com C Page 2 of 2 ZOOM + HW 5 Assignment 3. One of the researchers working for you at the tech company delivers some data you asked for about associations between consumers and their likelihood of purchasing a new tablet. The two variables of particular interest are: 1) hours per day spent on technology and 2) likelihood of purchasing a new tablet. The researcher tells you that the Pearson Product Moment Correlation Coefficient is .45 for these two variables and is significant at the p