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 |
965337 |
2427 |
- |
2436 |
= |
-9 |
* |
(65 |
/ |
171)
|
= |
-3.42105263 |
| 4 |
965338 |
2489 |
- |
2485 |
= |
4 |
* |
(57 |
/ |
171)
|
= |
1.33333333 |
| 5 |
965341 |
2476 |
- |
2528 |
= |
-52 |
* |
(49 |
/ |
171)
|
= |
-14.90058476 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Toluca Lake Elementary
|
-17 |
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 |
30545 |
2438 |
- |
2436 |
= |
2 |
* |
(69 |
/ |
185)
|
= |
0.74594594 |
| 4 |
30547 |
2509 |
- |
2485 |
= |
24 |
* |
(64 |
/ |
185)
|
= |
8.30270268 |
| 5 |
30549 |
2497 |
- |
2528 |
= |
-31 |
* |
(52 |
/ |
185)
|
= |
-8.71351351 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Toluca Lake Elementary
|
0 |
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 |
31110 |
2450 |
- |
2436 |
= |
14 |
* |
(85 |
/ |
200)
|
= |
5.95 |
| 4 |
31112 |
2511 |
- |
2485 |
= |
26 |
* |
(60 |
/ |
200)
|
= |
7.8 |
| 5 |
31113 |
2520 |
- |
2528 |
= |
-8 |
* |
(55 |
/ |
200)
|
= |
-2.2 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Toluca Lake Elementary
|
12 |
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 |
31157 |
2456 |
- |
2436 |
= |
20 |
* |
(69 |
/ |
205)
|
= |
6.7317073 |
| 4 |
31159 |
2508 |
- |
2485 |
= |
23 |
* |
(75 |
/ |
205)
|
= |
8.41463413 |
| 5 |
31161 |
2498 |
- |
2528 |
= |
-30 |
* |
(61 |
/ |
205)
|
= |
-8.92682925 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Toluca Lake 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 |
31332 |
2475 |
- |
2436 |
= |
39 |
* |
(62 |
/ |
201)
|
= |
12.02985073 |
| 4 |
31333 |
2501 |
- |
2485 |
= |
16 |
* |
(64 |
/ |
201)
|
= |
5.09452736 |
| 5 |
31334 |
2491 |
- |
2528 |
= |
-37 |
* |
(75 |
/ |
201)
|
= |
-13.80597014 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Toluca Lake Elementary
|
3 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-17
|
0
|
12
|
6
|
3
|
4.0 |
0.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 37.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -35.0
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:
