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 |
2380533 |
2368 |
- |
2436 |
= |
-68 |
* |
(36 |
/ |
104)
|
= |
-23.53846153 |
| 4 |
2380536 |
2399 |
- |
2485 |
= |
-86 |
* |
(34 |
/ |
104)
|
= |
-28.11538454 |
| 5 |
2380537 |
2445 |
- |
2528 |
= |
-83 |
* |
(34 |
/ |
104)
|
= |
-27.13461531 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Carver (George Washington) Elementary
|
-79 |
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 |
72695 |
2344 |
- |
2436 |
= |
-92 |
* |
(44 |
/ |
112)
|
= |
-36.14285706 |
| 4 |
72697 |
2410 |
- |
2485 |
= |
-75 |
* |
(37 |
/ |
112)
|
= |
-24.77678565 |
| 5 |
72699 |
2433 |
- |
2528 |
= |
-95 |
* |
(31 |
/ |
112)
|
= |
-26.29464283 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Carver (George Washington) Elementary
|
-87 |
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 |
74668 |
2372 |
- |
2436 |
= |
-64 |
* |
(28 |
/ |
98)
|
= |
-18.28571424 |
| 4 |
74670 |
2400 |
- |
2485 |
= |
-85 |
* |
(39 |
/ |
98)
|
= |
-33.82653056 |
| 5 |
74672 |
2432 |
- |
2528 |
= |
-96 |
* |
(31 |
/ |
98)
|
= |
-30.36734688 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Carver (George Washington) 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 |
74841 |
2389 |
- |
2436 |
= |
-47 |
* |
(31 |
/ |
87)
|
= |
-16.74712643 |
| 4 |
74844 |
2438 |
- |
2485 |
= |
-47 |
* |
(25 |
/ |
87)
|
= |
-13.50574709 |
| 5 |
74845 |
2433 |
- |
2528 |
= |
-95 |
* |
(31 |
/ |
87)
|
= |
-33.85057471 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Carver (George Washington) 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 |
75367 |
2404 |
- |
2436 |
= |
-32 |
* |
(20 |
/ |
74)
|
= |
-8.64864864 |
| 4 |
75368 |
2432 |
- |
2485 |
= |
-53 |
* |
(29 |
/ |
74)
|
= |
-20.77027022 |
| 5 |
75369 |
2431 |
- |
2528 |
= |
-97 |
* |
(25 |
/ |
74)
|
= |
-32.77027019 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Carver (George Washington) Elementary
|
-62 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-79
|
-87
|
-82
|
-64
|
-62
|
-374.0 |
-74.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.8
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:
