We will use the stress rating example data doe Q3. Q3. Answer these questions. (a) What is the median? (2 points) (b) What is the interquartile range? What does it mean? (4 points; show your steps) (0) What is the semi-interquartile range? What does it mean? (3 points; show your steps) Table 1 Frequency Distribution ofSirass Rating Stress Rating Frequency Cumulative Frequency 10 14 151 9 15 137 8 26 122 7 31 96 6 13 65 5 18 52 4 16 34 3 12 18 2 3 6 1 1 3 0 2 2