NCERT Exercise 13.1 Q12 - Statistics
Question: For ages 16-20, 21-25, ..., 51-55 with frequencies 5, 6, 12, 14, 26, 12, 16, 9, find mean deviation about the median.
Answer: Convert to continuous class boundaries, calculate the median, then calculate M.D.
Full step-by-step NCERT solution with diagrams on Something by Zero.