Yes, but only for one 6-sided die. The sum of all the possibilities from 1 to 6 is 21, and divided by the number of sides, you obtain 21/6 = 3.5.
You can use a similar approach to dice roll average for different types of dice, for example, average of a d10, or use the average dice roll formula:
average = (1 + sides) / 2 Read more