first attempt consult your Guided Lecture Notes, the textbook reading Chapter and other course materials before beginning the second attempt. While the quiz does not have a time limit, keep in mind that for the most part the time in which you complete the quiz measures your level of mastery. D Question 4 1 pts Find the Pearson r(correlation coefficient value r) for the correlation between the number of hours students slept the night before a test and their test score. Round your answer up to two decimal places. Hours Test slept(X) Score(Y) 8 83 7 86 7 74 8 88 6 76 5 63 7 90 4 60 9 89 7 81 Use the formula : = N E XY - ( EX) (EY) VINE X2 - (EX) IN EX -(Ex) 21 given _ X = 68 EY = 790 E X2 = 482 EY? = 63, 432 and E XY = 5, 497