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 |
871996 |
2374 |
- |
2436 |
= |
-62 |
* |
(56 |
/ |
172)
|
= |
-20.18604649 |
4 |
871999 |
2402 |
- |
2485 |
= |
-83 |
* |
(62 |
/ |
172)
|
= |
-29.91860463 |
5 |
872000 |
2449 |
- |
2528 |
= |
-79 |
* |
(54 |
/ |
172)
|
= |
-24.80232555 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Aragon Avenue Elementary
|
-75 |
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 |
27584 |
2382 |
- |
2436 |
= |
-54 |
* |
(62 |
/ |
172)
|
= |
-19.46511626 |
4 |
27586 |
2420 |
- |
2485 |
= |
-65 |
* |
(56 |
/ |
172)
|
= |
-21.16279068 |
5 |
27588 |
2420 |
- |
2528 |
= |
-108 |
* |
(54 |
/ |
172)
|
= |
-33.9069767 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Aragon Avenue Elementary
|
-75 |
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 |
28155 |
2366 |
- |
2436 |
= |
-70 |
* |
(51 |
/ |
161)
|
= |
-22.17391302 |
4 |
28158 |
2409 |
- |
2485 |
= |
-76 |
* |
(59 |
/ |
161)
|
= |
-27.85093165 |
5 |
28159 |
2427 |
- |
2528 |
= |
-101 |
* |
(51 |
/ |
161)
|
= |
-31.99378879 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Aragon Avenue Elementary
|
-82 |
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 |
28207 |
2365 |
- |
2436 |
= |
-71 |
* |
(42 |
/ |
151)
|
= |
-19.74834435 |
4 |
28209 |
2409 |
- |
2485 |
= |
-76 |
* |
(51 |
/ |
151)
|
= |
-25.66887414 |
5 |
28211 |
2438 |
- |
2528 |
= |
-90 |
* |
(58 |
/ |
151)
|
= |
-34.5695364 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Aragon Avenue Elementary
|
-80 |
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 |
28386 |
2368 |
- |
2436 |
= |
-68 |
* |
(34 |
/ |
126)
|
= |
-18.34920629 |
4 |
28387 |
2393 |
- |
2485 |
= |
-92 |
* |
(44 |
/ |
126)
|
= |
-32.12698411 |
5 |
28388 |
2432 |
- |
2528 |
= |
-96 |
* |
(48 |
/ |
126)
|
= |
-36.57142848 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Aragon Avenue Elementary
|
-87 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-75
|
-75
|
-82
|
-80
|
-87
|
-399.0 |
-79.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -64.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.8
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: