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 |
974628 |
2337 |
- |
2436 |
= |
-99 |
* |
(125 |
/ |
393)
|
= |
-31.48854954 |
| 4 |
974631 |
2395 |
- |
2485 |
= |
-90 |
* |
(130 |
/ |
393)
|
= |
-29.77099236 |
| 5 |
974632 |
2412 |
- |
2528 |
= |
-116 |
* |
(138 |
/ |
393)
|
= |
-40.73282441 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for West Athens Elementary
|
-102 |
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 |
30842 |
2341 |
- |
2436 |
= |
-95 |
* |
(111 |
/ |
359)
|
= |
-29.373259 |
| 4 |
30845 |
2374 |
- |
2485 |
= |
-111 |
* |
(127 |
/ |
359)
|
= |
-39.2674094 |
| 5 |
30847 |
2407 |
- |
2528 |
= |
-121 |
* |
(121 |
/ |
359)
|
= |
-40.78272971 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for West Athens Elementary
|
-109 |
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 |
31408 |
2347 |
- |
2436 |
= |
-89 |
* |
(108 |
/ |
353)
|
= |
-27.22946171 |
| 4 |
31409 |
2384 |
- |
2485 |
= |
-101 |
* |
(118 |
/ |
353)
|
= |
-33.76203962 |
| 5 |
31411 |
2393 |
- |
2528 |
= |
-135 |
* |
(127 |
/ |
353)
|
= |
-48.56940509 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for West Athens Elementary
|
-110 |
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 |
31455 |
2331 |
- |
2436 |
= |
-105 |
* |
(107 |
/ |
332)
|
= |
-33.84036138 |
| 4 |
31457 |
2364 |
- |
2485 |
= |
-121 |
* |
(110 |
/ |
332)
|
= |
-40.09036142 |
| 5 |
31459 |
2420 |
- |
2528 |
= |
-108 |
* |
(115 |
/ |
332)
|
= |
-37.40963854 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for West Athens Elementary
|
-111 |
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 |
31632 |
2371 |
- |
2436 |
= |
-65 |
* |
(123 |
/ |
325)
|
= |
-24.59999997 |
| 4 |
31633 |
2384 |
- |
2485 |
= |
-101 |
* |
(96 |
/ |
325)
|
= |
-29.83384612 |
| 5 |
31634 |
2414 |
- |
2528 |
= |
-114 |
* |
(106 |
/ |
325)
|
= |
-37.18153844 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for West Athens Elementary
|
-92 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-102
|
-109
|
-110
|
-111
|
-92
|
-524.0 |
-104.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -83.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -125.8
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:
