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 |
898415 |
2396 |
- |
2436 |
= |
-40 |
* |
(51 |
/ |
220)
|
= |
-9.27272724 |
4 |
898418 |
2461 |
- |
2485 |
= |
-24 |
* |
(58 |
/ |
220)
|
= |
-6.32727271 |
5 |
898419 |
2432 |
- |
2528 |
= |
-96 |
* |
(63 |
/ |
220)
|
= |
-27.49090906 |
6 |
898422 |
2489 |
- |
2552 |
= |
-63 |
* |
(48 |
/ |
220)
|
= |
-13.74545453 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for El Sereno Elementary
|
-57 |
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 |
28388 |
2432 |
- |
2436 |
= |
-4 |
* |
(54 |
/ |
210)
|
= |
-1.02857143 |
4 |
28391 |
2465 |
- |
2485 |
= |
-20 |
* |
(48 |
/ |
210)
|
= |
-4.57142856 |
5 |
28392 |
2478 |
- |
2528 |
= |
-50 |
* |
(59 |
/ |
210)
|
= |
-14.047619 |
6 |
28395 |
2459 |
- |
2552 |
= |
-93 |
* |
(49 |
/ |
210)
|
= |
-21.69999997 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for El Sereno Elementary
|
-41 |
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 |
28956 |
2433 |
- |
2436 |
= |
-3 |
* |
(52 |
/ |
190)
|
= |
-0.82105263 |
4 |
28957 |
2456 |
- |
2485 |
= |
-29 |
* |
(48 |
/ |
190)
|
= |
-7.32631576 |
5 |
28960 |
2471 |
- |
2528 |
= |
-57 |
* |
(48 |
/ |
190)
|
= |
-14.39999995 |
6 |
28961 |
2496 |
- |
2552 |
= |
-56 |
* |
(42 |
/ |
190)
|
= |
-12.37894734 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for El Sereno Elementary
|
-35 |
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 |
29004 |
2447 |
- |
2436 |
= |
11 |
* |
(54 |
/ |
191)
|
= |
3.10994764 |
4 |
29006 |
2465 |
- |
2485 |
= |
-20 |
* |
(51 |
/ |
191)
|
= |
-5.34031412 |
5 |
29008 |
2483 |
- |
2528 |
= |
-45 |
* |
(46 |
/ |
191)
|
= |
-10.83769632 |
6 |
29010 |
2484 |
- |
2552 |
= |
-68 |
* |
(40 |
/ |
191)
|
= |
-14.24083764 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for El Sereno Elementary
|
-27 |
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 |
29185 |
2450 |
- |
2436 |
= |
14 |
* |
(47 |
/ |
187)
|
= |
3.51871657 |
4 |
29186 |
2476 |
- |
2485 |
= |
-9 |
* |
(50 |
/ |
187)
|
= |
-2.40641711 |
5 |
29187 |
2466 |
- |
2528 |
= |
-62 |
* |
(52 |
/ |
187)
|
= |
-17.24064169 |
6 |
29188 |
2503 |
- |
2552 |
= |
-49 |
* |
(38 |
/ |
187)
|
= |
-9.95721924 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for El Sereno Elementary
|
-26 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-57
|
-41
|
-35
|
-27
|
-26
|
-186.0 |
-37.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.2
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: