A local principal wants to show evidence that there are benefits to studying in terms of GPA. A sample of the data collected is below, showing the hours per week (on average) that students studied and their corresponding GPAs. Calculate the correlation coefficient r using a TI-83, TI-83 Plus, or TI-84 graphing calculator, rounding to two decimal places. Study Time (Hours) GPA (out of 4.0) 13.6 3.58 1.6 2.37 5.1 2.57 1.7 2.28 10.2 3.68 19.7 3.69 7.6 3.17 0.5 2.03 4.4 2.56 19.2 3.51 Provide your answer below