please answer within 30 minutes.

Class Interval Frequency Relative Cumulative Cumulative Frequency Frequency Relative Frequency LL UL 79 - 80 8 8/50 or 16% 8 8/50 or 16% 80 - 81 11 11/50 or 22% 19 19/50 or 38% 81 - 82 16 16/50 or 32% 35 35/50 or 70% 82 - 83 8/50 or 16% 43 43/50 or 86% 83 - 84 4/50 or 8% 47 47/50 or 94% 84 - 85 3 3/50 or 6% 50 50/50 or 100% TOTAL 50 Construct an ogive from the information above