3.1 The ABC company management decided to check whether there is any relationship between age and weight. The ages and weight of randomly selected sample of 6 employees were collected as given in the table below: X (Employee Ages) 40 21 25 31 38 47 Y (Employee Weight) 78 70 60 55 80 66 3.1.1 Calculate: Exy III. (5) 3.1.2 Find Pearson's correlation coefficient(r) between the age and weight of the employees. (10) N Ex _ (Ex) N N 3.1.3 Calculate the coefficient of determination (5) 3.1.4 Use your analysis to give conclusion on the relationship between age and weight based on the value of Pearson's correlation calculated above. Also give one advantage and one disadvantage of using Pearson's correlation. (5) FOCUS 9 ENG INTL