A group of friends went bowling last Saturday. Their scores are shown below.

Bowling Scores

Friend Score
Brad 121
Alicia 196
Jonas 100
Katy 210
Darius 112
Stephanie 170
Mike 222
Beth 161
Trevor 201
Laura 107

What is the mean absolute deviation of their bowling scores?
50
40
30
20

Question

A group of friends went bowling last Saturday. Their scores are shown below.

Bowling Scores

Friend	Score
Brad	121
Alicia	196
Jonas	100
Katy	210
Darius	112
Stephanie	170
Mike	222
Beth	161
Trevor	201
Laura	107

What is the mean absolute deviation of their bowling scores?
50
40
30
20

directrix · Answer

Three steps:
•1. Find the mean of all values
•2. Find the distance of each value from that mean (subtract the mean from each value, ignore minus signs)
•3. Then find the mean of those distances

mrhirohito · Answer

ima Guess e.e  30 or 40?

mrhirohito · Answer

Its 40 :D

directrix · Answer

I 'm not into guessing unless it is a last resort.