You need to give us points from the line or a picture of it or we can't answer the question.
HERE IS YOUR ANSWER.......
Answer/Mean: -123.75
<u>Put numbers in order</u>
-836.9
, 1.7
, 88
, 252.2
<u>Add</u>
-836.9+1.7+88+252.2=-495
<u>Divide the total (-495) divide by the total numbers there are (4)</u>
-495/4= -125.75
I’m not sure hmmm I think you multiply them after you find the answer to what’s inside the parentheses.