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. 1m 90 i ---- \".-... y = - 3.4433! + 96.202 so R2 = 0.9353 Using above chart, answer the following questions. a} Find the value of the coefficient of correlation, rounded to three decimals. [M] b} Using this model, if a student spent 8 hoursfweek on watching web-series, what would be their score on the test, rounded to two decimals? m