DUDE HOW COME NO ONE HELPS ME WHEN THIS THING IS DUE TOMORROW LIKE PLS I WILL MARK YOU IF THATS ALL YOU WANT

3

Step-by-step explanation:

look at where the line perfectly goes through a point on the table, ie (60,20) or (70,50), and count up each unit until you see it is aligned with another point that perfectly crosses through. then see how many units left or right you need to go to reach that point. on this graph you go up 3 units and to the right 1 unit, 3/1=3. the slope is 3

the answer is:

mean: 6

mad: 2.14