Michael is collecting money from his coworkers for a retirement gift for his boss. He keeps track of how much each person donated: $15, $5, $5, $20, $10. What is the mean absolute deviation?

4

5.2

12

27

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that