Find the median of the given data if the mean is 4.5: 5, 7, 7, 8, x, 5, 4, 3, 1, 2.
4.5
Mean is given as 4.5, so x = 3. Arranged data: 1,2,3,3,4,5,5,7,7,8. Median = average of 5th and 6th = (4+5)/2 = 4.5.