The table shows the distribution of students' marks for a statistics examination in a university. Marks l 50 l 60 70 | so i 90 Frequency l 1 2 8 X 25 Students' Statistics Scores Determine the value ofX ifthe median mark is 85. Additionally, indicate how you would expect the relative positions of the mean and median to be. (Note: No marks will be awarded if no reasons are provided}