The mad is 9
the mean is 4.5
then calculate all differences and you get 9
Answer:
1
Step-by-step explanation:
To find the slope of the line, use the equation:
slope = 
Let's find 2 obvious points on the line
(5,5) and (10,10)
Since (10,10) comes after (5,5), this will be our 
(5,5) will be our 
Let's Solve!

1
Therefore, our slope is 1