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 |
2258904 |
2421 |
- |
2436 |
= |
-15 |
* |
(81 |
/ |
256)
|
= |
-4.74609375 |
| 4 |
2258905 |
2461 |
- |
2485 |
= |
-24 |
* |
(94 |
/ |
256)
|
= |
-8.8125 |
| 5 |
2258908 |
2477 |
- |
2528 |
= |
-51 |
* |
(81 |
/ |
256)
|
= |
-16.13671875 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Oak Park Elementary
|
-30 |
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 |
69316 |
2431 |
- |
2436 |
= |
-5 |
* |
(85 |
/ |
252)
|
= |
-1.68650794 |
| 4 |
69318 |
2448 |
- |
2485 |
= |
-37 |
* |
(76 |
/ |
252)
|
= |
-11.15873014 |
| 5 |
69320 |
2504 |
- |
2528 |
= |
-24 |
* |
(91 |
/ |
252)
|
= |
-8.66666666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Oak Park Elementary
|
-22 |
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 |
71149 |
2463 |
- |
2436 |
= |
27 |
* |
(74 |
/ |
236)
|
= |
8.46610169 |
| 4 |
71150 |
2471 |
- |
2485 |
= |
-14 |
* |
(85 |
/ |
236)
|
= |
-5.04237287 |
| 5 |
71152 |
2522 |
- |
2528 |
= |
-6 |
* |
(77 |
/ |
236)
|
= |
-1.95762712 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Oak Park Elementary
|
1 |
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 |
71294 |
2473 |
- |
2436 |
= |
37 |
* |
(83 |
/ |
250)
|
= |
12.284 |
| 4 |
71296 |
2472 |
- |
2485 |
= |
-13 |
* |
(85 |
/ |
250)
|
= |
-4.42 |
| 5 |
71298 |
2521 |
- |
2528 |
= |
-7 |
* |
(82 |
/ |
250)
|
= |
-2.296 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Oak Park Elementary
|
6 |
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 |
71781 |
2472 |
- |
2436 |
= |
36 |
* |
(84 |
/ |
249)
|
= |
12.14457829 |
| 4 |
71782 |
2479 |
- |
2485 |
= |
-6 |
* |
(79 |
/ |
249)
|
= |
-1.90361446 |
| 5 |
71783 |
2513 |
- |
2528 |
= |
-15 |
* |
(86 |
/ |
249)
|
= |
-5.18072289 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Oak Park Elementary
|
5 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-30
|
-22
|
1
|
6
|
5
|
-40.0 |
-8.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 40.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -56.0
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:
