Chapter 12 - Data Analysis and Probability - 12-3 Measures of Central Tendency and Dispersion - Practice and Problem-Solving Exercises - Page 743: 26

All three will change.

This is exactly the same situation as in problem 25, except we are dividing instead of subtracting. Once again, the key phrase is that all of the values in the set will be divided by the given value. As long as all of the values are divided by the same value, the mode, median, and mean will be affected in the same way.