Principalrosabelid Principalrosabelid Math Answered What's New Task 1. What is the 3rd quartile of the given set of data in the table below? Cumulative Class Interval Frequency (f) of the Scores Lower Boundaries Frequency (cf) (LB) 31-35 4 26-30 12 21-25 15 16-20 7 11-15 4 6-10 3