7.3 is the range
Step-by-step explanation:
The range of a set of data is the difference between the largest and smallest values.
No correlation I believe.
Answer:
D
Step-by-step explanation:
11 per 1,000
Every number will have only 3 digits. In the ones place, there are 5 choices. For every choice of digit made in the ones place, there are 8 possible choices for the hundreds place (you can choose from 1-9, omitting whatever is used in the ones place), and there are 8 possible choices for the tens place (you can choose from 0-9, omitting whatever has already been used elsewhere).
So there are

such numbers.