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 |
213576 |
2383 |
- |
2436 |
= |
-53 |
* |
(110 |
/ |
269)
|
= |
-21.67286245 |
| 4 |
213577 |
2403 |
- |
2485 |
= |
-82 |
* |
(76 |
/ |
269)
|
= |
-23.16728624 |
| 5 |
213580 |
2412 |
- |
2528 |
= |
-116 |
* |
(83 |
/ |
269)
|
= |
-35.79182146 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sun Terrace Elementary
|
-81 |
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 |
6326 |
2381 |
- |
2436 |
= |
-55 |
* |
(79 |
/ |
254)
|
= |
-17.10629921 |
| 4 |
6328 |
2413 |
- |
2485 |
= |
-72 |
* |
(103 |
/ |
254)
|
= |
-29.19685039 |
| 5 |
6330 |
2421 |
- |
2528 |
= |
-107 |
* |
(72 |
/ |
254)
|
= |
-30.33070856 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sun Terrace Elementary
|
-77 |
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 |
6501 |
2374 |
- |
2436 |
= |
-62 |
* |
(85 |
/ |
255)
|
= |
-20.66666665 |
| 4 |
6503 |
2437 |
- |
2485 |
= |
-48 |
* |
(77 |
/ |
255)
|
= |
-14.49411763 |
| 5 |
6505 |
2420 |
- |
2528 |
= |
-108 |
* |
(93 |
/ |
255)
|
= |
-39.38823526 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sun Terrace Elementary
|
-75 |
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 |
6503 |
2381 |
- |
2436 |
= |
-55 |
* |
(69 |
/ |
229)
|
= |
-16.57205237 |
| 4 |
6506 |
2439 |
- |
2485 |
= |
-46 |
* |
(86 |
/ |
229)
|
= |
-17.27510915 |
| 5 |
6507 |
2435 |
- |
2528 |
= |
-93 |
* |
(74 |
/ |
229)
|
= |
-30.05240167 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sun Terrace Elementary
|
-64 |
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 |
6561 |
2398 |
- |
2436 |
= |
-38 |
* |
(79 |
/ |
230)
|
= |
-13.05217388 |
| 4 |
6562 |
2421 |
- |
2485 |
= |
-64 |
* |
(69 |
/ |
230)
|
= |
-19.2 |
| 5 |
6563 |
2441 |
- |
2528 |
= |
-87 |
* |
(82 |
/ |
230)
|
= |
-31.01739129 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sun Terrace Elementary
|
-63 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-81
|
-77
|
-75
|
-64
|
-63
|
-360.0 |
-72.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.0
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:
