2015
Step 1 

Step 2 

Step 3 
Get Mean Scale Score from line numbers in this
data file.


Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard


Multiply Distance From Standard by
proportion of students in grade.

Grade 
Line number 
Mean Scale Score 
 
Scale Score: met min 
= 
Distance from standard 
* 
(Students tested in grade 
/ 
Students) tested in school 
= 
Weighted Distance From Standard 
3 
1797 
2388 
 
2436 
= 
48 
* 
( 
/ 
)

= 

4 
1800 
2433 
 
2485 
= 
52 
* 
( 
/ 
)

= 

5 
1801 
2459 
 
2528 
= 
69 
* 
( 
/ 
)

= 

6 
1804 
2517 
 
2552 
= 
35 
* 
( 
/ 
)

= 

7 
1805 
2497 
 
2567 
= 
70 
* 
( 
/ 
)

= 

8 
1808 
2512 
 
2586 
= 
74 
* 
( 
/ 
)

= 

11 
1809 
2476 
 
2628 
= 
152 
* 
( 
/ 
)

= 

Step 4 
SUM Weighted Distance From Standard to get
2015 Difference From Standard for FAME Public Charter


Last steps
Compute the average
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: