Day 3: Activity 3: It is hypothesized that the number of houn that a students studies (X) is related to the examination grade ( Y ) obtained., The following are the data obtained from ten students Determine If there is'a relationship between the two variables Student X Y X-X B 414 11 D 17 E 10 70 5 54 85 33 65 Solution: Decision: Day 4: Activity 4: A rate analyst for Nuvelco, was asked to determine if there is a linear relationship between cloctrical consumption and the number of moms in a single-family dwelling Since electricity comumption varies from month to month he decided to study usage during the month of March He collected the following data No. i of 101280171090 106015 104 5 Rooms Kilowatt- 14 X1 12 1 -35 15 hour ( Solution: CI Decision: 51Activity 1: OF Firm up: Given the value of r, describe the relationship in terms of the strength and direction. Given Strength 28 Direction 1. r= 0.86 Fa 2. r= 0.35 3. r= -0.65 4. 1=-0.56 5. r= 0.72 Day 2: A vivitoA Activity 2: nosaeed quienpumfor manil a at sport li animotob of bales anw oblavul tol laviann ofm A vijointDescribe the strength and direction of correlation of the following pairs of variables. lo To ninom Complete the tables below and compute the value of the correlation coefficient ( r ) using the formula. minb guivollot and bobpsiloasH domMy The following are the ages (X) of the babies in months and their heights ( Yo) in centimeters. Determine if there is a relationship between their ages and heights. BINOOSI Baby T X Y 5 X - X Z Y - Y SI ( X - X ) 2 ( Y - Y ) 2 ( X X X( Y - P ) A 36 86 6 mol B 48 90 C 51 91 D 54 93 noifolo2 E 57 94 F 60 95 Solution: 12 50