The number of hours that students studied for a quiz (a) and the quiz grade earned by the respective students (y) is shown in the table below. 0 1 1 3 4 у 4 5 5 4 6 Find the following numbers for these data. Σx - Σy - Σxy : Σy - Find the value of the linear correlation coefficient for these data. Answer: T = What is the best (whole-number) estimate for the quiz grade of a student from the same population who studied for two hours?