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 UI 63 7 90 4 60 9 89 7 81 Use the formula :r N E XY- ( EX) (XY) = V IN E X2 - (EX) ] [ N E X2 -(Ex) 21 given E X = 68 EY = 790 EX2 = 482 EY? = 63, 432 and _ XY = 5, 497