Happening by chance. Cannot predict the next value with certainty.
But there can be an overall structure, such as tending to be within a certain range.
These two dice will give random results, but always between 2 and 12.
Another Example: the values {2.18, 2.17, 2.23, 1.82, 1.87, 2.02, 1.83} are random (no predictable pattern), but are all close to 2.
It can also be distributed in a pattern, such as a "bell curve":
