Question 7 (Marks: 10) The following table indicates the ages of a sample of female employees of People Plus Pty, and the corresponding monthly income of each employee (in thousands of Rands). Age In Years (x) Monthly Income (ROOOs) (v) 40 43 49 49 32 36 27 31 38 41 46 42 Q.7.1 By completing the table given below, and then applying the relevant formulae, (8) determine the linear regression function for this bivariate data set. X y X2 xy TOTAL Q.7.2 If a female employee is 39 years of age, estimate her monthly income. (2) The Independent Institute of Education (Pty] Led 2021 Page 7 of 14