Question 10 (3 points) Listen 3. A professor wants to research about correlation between their students' performance and time spent on watching web-series. The professor asked 7 students about how many hours per week they spent on watching web-series and their grades in the last test. Following plot indicates the findings of this survey. 100 90 y = - 3.4438x + 96.202 80 R? = 0.9353 70 60 50 40 30 20 10 2 6 8 10 12 14 Using above chart, answer the following questions. a) Find the value of the coefficient of correlation, rounded to three decimals. [ 1 mark] b) Using this model, if a student spent 8 hours/week on watching web-series, what would be their score on the test, rounded to two decimals? [1 mark] A/