The state is conducting a survey on the number of students per classroom in middle schools across the state.
Elmore
21, 22, 22, 22, 23, 24, 24, 26, 26, 27, 38
Total numbers: 11
Mean: 25
Mean absolute deviation: 3.09090909091

Marlow
15, 15, 15, 15, 16, 16, 16, 18, 18, 19, 35
Total numbers: 11
Mean: 18
Mean absolute deviation: 3.27272727273

Question

The state is conducting a survey on the number of students per classroom in middle schools across the state.
  Elmore
 21, 22, 22, 22, 23, 24, 24, 26, 26, 27, 38
 Total numbers: 11 
 Mean: 25 
 Mean absolute deviation: 3.09090909091 

 Marlow
 15, 15, 15, 15, 16, 16, 16, 18, 18, 19, 35
 Total numbers: 11 
 Mean: 18 
 Mean absolute deviation: 3.27272727273

anonymous · Answer

What is the question?

shadowcain · Answer

The difference between the mean number of students per middle school classroom in each school district is ____ students. 
The difference between the median number of students per middle school classroom in each school district is ____ students. 
 Based on the number of students shown for each school district, would the mean or the median provide the most accurate picture of the number of students in a middle school classroom? ____

shadowcain · Answer

First step is to subtract to find the difference in the mean and the second step is to divide that number into the MAD. In this case the MAD's are different. 
What do you do when the MAD is different?