Given the following data

25 26 21 19 30 32 25 24 23
Calculate the mean.

30

24

25

225

To calculate the mean, you need to add up all the numbers and then divide by the total number of numbers.

25 + 26 + 21 + 19 + 30 + 32 + 25 + 24 + 23 = 225

225 / 9 = 25

Therefore, the mean is 25.