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 |
2261283 |
2393 |
- |
2436 |
= |
-43 |
* |
(35 |
/ |
97)
|
= |
-15.51546391 |
| 4 |
2261286 |
2461 |
- |
2485 |
= |
-24 |
* |
(30 |
/ |
97)
|
= |
-7.4226804 |
| 5 |
2261287 |
2449 |
- |
2528 |
= |
-79 |
* |
(32 |
/ |
97)
|
= |
-26.06185565 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Rowan Elementary
|
-49 |
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 |
69385 |
2421 |
- |
2436 |
= |
-15 |
* |
(30 |
/ |
96)
|
= |
-4.6875 |
| 4 |
69387 |
2420 |
- |
2485 |
= |
-65 |
* |
(35 |
/ |
96)
|
= |
-23.69791665 |
| 5 |
69389 |
2478 |
- |
2528 |
= |
-50 |
* |
(31 |
/ |
96)
|
= |
-16.1458333 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Rowan Elementary
|
-45 |
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 |
71219 |
2406 |
- |
2436 |
= |
-30 |
* |
(33 |
/ |
97)
|
= |
-10.20618555 |
| 4 |
71220 |
2485 |
- |
2485 |
= |
0 |
* |
(28 |
/ |
97)
|
= |
0.0 |
| 5 |
71222 |
2434 |
- |
2528 |
= |
-94 |
* |
(36 |
/ |
97)
|
= |
-34.88659788 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Rowan Elementary
|
-45 |
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 |
71364 |
2409 |
- |
2436 |
= |
-27 |
* |
(26 |
/ |
87)
|
= |
-8.0689655 |
| 4 |
71366 |
2451 |
- |
2485 |
= |
-34 |
* |
(30 |
/ |
87)
|
= |
-11.72413792 |
| 5 |
71368 |
2506 |
- |
2528 |
= |
-22 |
* |
(31 |
/ |
87)
|
= |
-7.83908046 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Rowan Elementary
|
-28 |
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 |
71851 |
2419 |
- |
2436 |
= |
-17 |
* |
(34 |
/ |
83)
|
= |
-6.96385542 |
| 4 |
71852 |
2465 |
- |
2485 |
= |
-20 |
* |
(25 |
/ |
83)
|
= |
-6.02409638 |
| 5 |
71853 |
2517 |
- |
2528 |
= |
-11 |
* |
(24 |
/ |
83)
|
= |
-3.18072289 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Rowan Elementary
|
-16 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-49
|
-45
|
-45
|
-28
|
-16
|
-183.0 |
-36.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.6
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:
