2017
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 
62808 
2433 
 
2436 
= 
3 
* 
(55 
/ 
55)

= 
3.0 
Step 4 
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dolores Huerta International Academy

3 
2018
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 
62889 
2421 
 
2436 
= 
15 
* 
(54 
/ 
110)

= 
7.36363635 
4 
62890 
2468 
 
2485 
= 
17 
* 
(56 
/ 
110)

= 
8.65454545 
Step 4 
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dolores Huerta International Academy

16 
2019
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 
63157 
2422 
 
2436 
= 
14 
* 
(98 
/ 
207)

= 
6.62801931 
4 
63158 
2458 
 
2485 
= 
27 
* 
(55 
/ 
207)

= 
7.17391304 
5 
63159 
2493 
 
2528 
= 
35 
* 
(54 
/ 
207)

= 
9.13043478 
Step 4 
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dolores Huerta International Academy

23 
Last steps
Compute the average
2017 
2018 
2019 
Sum 
Average 
3

16

23

42.0 
14.0 
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 44.0
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: