UPSC NDA 2 2016 Mathematics Solved Paper

The scores of 15 students in an examination were recorded as 10,5,8,16,18,20,8,10,16,20,18,11,16, Hand 12. After calculating the mean, median and mode, an error is found. One of the values is wrongly written as 16 instead of 18. Which of the following measures of central tendency will change?