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 |
2656629 |
2386 |
- |
2436 |
= |
-50 |
* |
(97 |
/ |
97)
|
= |
-50.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Los Arboles Literacy and Technology Academy
|
-50 |
2016
| 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 |
80981 |
2413 |
- |
2436 |
= |
-23 |
* |
(128 |
/ |
128)
|
= |
-23.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Los Arboles Literacy and Technology Academy
|
-23 |
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 |
83214 |
2397 |
- |
2436 |
= |
-39 |
* |
(110 |
/ |
110)
|
= |
-39.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Los Arboles Literacy and Technology Academy
|
-39 |
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 |
83442 |
2368 |
- |
2436 |
= |
-68 |
* |
(84 |
/ |
84)
|
= |
-68.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Los Arboles Literacy and Technology Academy
|
-68 |
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 |
84054 |
2400 |
- |
2436 |
= |
-36 |
* |
(75 |
/ |
75)
|
= |
-36.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Los Arboles Literacy and Technology Academy
|
-36 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-50
|
-23
|
-39
|
-68
|
-36
|
-216.0 |
-43.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.2
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:
