Question

make a setof 15 numbers with landmarks.
max152 range 25 mode 139 median 142

Answer 1

lots of possibilities

First set up the min and max:
127 ............. 152

Now fill in the median:
127 ...... 142 ...... 152

Now just make 139 the mode and the rest can be filled in easily:

127 .... 139 139 . 142 ...... 152
Fill in the dots with any unique numbers between given values

If you use 139 more than twice, you can have other duplicate entries