PROBLEM SOLVING: A. The table below shows the data about the Performance Evaluation (X), Skills Competence (Y). Teaching Experience (Z) and Salary (thousands of pesos) (W) of 10 teachers in a national high school. Table 1 Performance Evaluation, Skills Competence, Teaching Experience and Salary Scale of 18 Teachers Teacher Performance Skills Working Salary Evaluation Competence Experience (W) (X) (Y) (Z) A 33 6 3 7 B 35 9 14 30 9 5 11 D 40 12 13 E 32 6 9 38 14 18 G 42 5 8 H 45 16 15 H 48 10 12 36 7 8 10