Five students in an elementary school take aptitude tests in English, mathematics, and science. Their scores are given in the table that follows. Determine the correlation matrix and describe how the three sets of scores are correlated. Scores Student English Mathematics Science S1 61 53 53 S2 63 73 78 S3 78 61 82 S4 65 84 96 S5 63 59 71 Average 66 66 76 2

Lecture 2: Elementary Functions (Sections 1.2 and 1.3) Read Sections 1.2 and 1.3 from the textbook and be sure you know the following functions ( 13bl)dhi graphs before class: 1. Polynomials f(x)= • linear functions f(x)= mx + b -pileom -leeetom • quadratic functions f(x)= ax + bx + c • power...