3. An Art History instructor has given the same pretest and the same final examination each semester for several (Number of students = 100) . He is interested in determining if there is a relationship between the scores of the two tests. a. He computes the linear correlation coefficient and notes that r = 1.26 What does this ccorrelation coefficient value tell the instructor? b. A Statistics instructor is also curious and conducts the same research using pretest and final results for his class of 14 students. In the case the instructor obtained an r = 0.10 . What does this tell the instructor