Assignment # 5 Number of Hours of Sleep (College Students) Level of Cognition (higher numbers represent a 4 higher and more favorable level of cognition) 3 4 un 5 6 5 6 7 7 7 7 7 7 9Pearson' Correlation Coefficient (r) NOTE: For the assignment, please organize your calculations in col format rather than horizontally, as shown here. N = 3, as there are three pairs of values (x and y). Example (Pearson's Correlation Coefficient) XY 12 Exy- ExEr N 25 3 6 N N EXY = (1)(2) + (2)(5) + (3)(6) = 30 EX = 1+ 2+ 3 = 6 EX? = 12 + 22 + 32 = 14 ZY = 2+ 5+ 6 = 13 ZY?= 22 + 52 + 62 = 65 N=3 EXY-EXEY/N = 30 - (6)(13)/3 = 4 EX2 - (EX)2/N = 14 - 62/3 = 2 ZY2- (ZY)2/N = 65 -132/3 = 8.667 r = 4 / \\ (2)(8.6667) = 4/4.16333 = .9608\f