NCERT Exercise 13.1 Q7 - Statistics
Question: For x = 5, 7, 9, 10, 12, 15 with frequencies 8, 6, 2, 2, 2, 6, find mean deviation about the median.
Answer: Locate the median with cumulative frequencies, then use Sum(fi|xi-M|)/N.
Full step-by-step NCERT solution with diagrams on Something by Zero.