Answer:
mean : add all of them and divide by how much they are
mode: is what repeats it self like 15 is the most repeated.
Kut 32% off 25
100-32=68% left
=25*0.68
=17
So the answer for number 3 is p because p is the only one right on top of 4
But I dont know the answer for number 4 but I think its 2 I might be way off but its my guess.
Hope number 3 helps