Find the median of the data: 1,5,3,7,9,2,4,7,1

2 5 4 7

4

Given data: 1,5,3,7,9,2,4,7,1 Now, arrange the data in ascending order, we get: 1, 1, 2, 3, 4, 5, 7, 7, 9 Here, the number of observations is 9, which is odd. Thus, median = 5th term Median = 4.