0PMT 1130 Quiz 3 Mark: /12 Last Name: First Name: Set: Lower limit = 01 1.5xIQR Upper limit = 03+ 1.5xIQR IQR = Q3 Q1 Below are the hoxplots of the test scores on 3 statistics test for three different sets of students: Test Scores for Sets A, B and C no Marl: (a) Overall, which set performed the best on the exam? [1 mark] (b) What is the IQR of the set with the biggest IQR? [1 mark] (c) Which set has the highest percentage of failures? [2 marks] ((1) Describe the shape of each distribution i.e., symmetrical, skewed right, or skewed left. [3] A: B: C: (e) What percentage of students in set C has a test score: [3 marks] Higher than 94.25? 78 or higher? Above 46.25? (t) Suppose a student in set C obtained a score of 15%. Is this score an outlier? Why? [2 marks]