Vaehbug65701 Vaehbug65701 29-02-2024 Mathematics contestada Determine the mean of the following distribution: Marks Number of students below 10 below 20 below 30 below 40 below 50 below 60 below 70 below 80 below 90 below 100 5 9 17 29 45 60 70 78 83 85 A) 60 B) 55 C) 50 D) 45