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Calculate the estimated standard error of regression, ,tor the computer science aptitude score achievement score relationship in Exercise 13-43 (p. 533}. RETEI'ECHE EIEI'EiSE '1 3 .43: The computer science aptitude score a, and the achievement score, v {measured by a comprehensive final}, were measured for 2D students in a beginning computer science course. The results were as follows. Find the equation otthe line of best t and 3; Table for Exercise 13.43 x 4 lift 20 13 22 21 15 20 I\"? lift 18 y 1'? I? 24 3o 2? as 25 23 l? '2? 21 f 5. Suppose that you are organizing your texts for the semester at your desk consist- ing of 3 Computer Science, 2 Mathematics, and 2 Sociology textbooks. Assume all textbooks are distinct. In how many ways can this be done if a) the books can be arranged in any order? b) the Computer Science books must be together, but all other books can be arranged in any order? c) the Mathematics books and the Computer Science books must be together?There are 30 mathematic majors and 133 computer science majors at a college. A) How many ways are there to pick 7 representatives, so that 1 is/are mathematics majors and the other 6 is/are computer science majors? Numerical answer = 23940 X C(30, 1 )*C( 133 6 B) How many ways are there to pick two representatives who are either a mathematic major or a computer science major. Numerical number = C( 163 2In a group of students, each student is taking a mathematics course or a computer science course or both. One-fifth of those taking a mathematics course are also taking a computer science course, and one-eighth of those taking a computer science course are also taking a mathematics course. Are more than one-third of the students taking a mathematics course