A student is assessing the correlation between the average number of hours of internet browsing and average score on a math test. The table below shows the data:
Number of hours of internet browsing (x) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Score on math test (y) 95 94 93 92 91 90 89 88 87 86
Part A: Is there any correlation between the average number of hours of internet browsing and average score on the math test? Justify your answer. (4 points)
Part B: Write a function which best fits the data. (3 points)
Part C: What does the slope and y-intercept of the plot indicate? (3 points)