Question 8 - Examples - Chapter 12 Class 9 Statistics

Transcript

Question 8 The points scored by a Kabaddi team in a series of matches are as follows: 17, 2, 7, 27, 15, 5, 14, 8, 10, 24, 48, 10, 8, 7, 18, 28 Find the median of the points scored by the team. Arranging the points scored by the team in ascending order, 2, 5, 7, 7, 8, 8, 10, 10, 14, 15, 17, 18, 24, 27, 28, 48 Number of observations = n = 16(even number) Median = ( /2)"th obs. + " ( /2 + 1)"th obs. " /2 = (16/2)"th obs. + " (16/2 + 1)"th obs. " /2 = (8^ . + 9^ .)/2 = (10 + 14)/2 = 12