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 |
219352 |
2409 |
- |
2436 |
= |
-27 |
* |
(523 |
/ |
3242) |
= |
-4.35564464 |
4 |
219355 |
2438 |
- |
2485 |
= |
-47 |
* |
(536 |
/ |
3242) |
= |
-7.77051202 |
5 |
219356 |
2473 |
- |
2528 |
= |
-55 |
* |
(537 |
/ |
3242) |
= |
-9.11011717 |
6 |
219359 |
2480 |
- |
2552 |
= |
-72 |
* |
(525 |
/ |
3242) |
= |
-11.6594694 |
7 |
219360 |
2498 |
- |
2567 |
= |
-69 |
* |
(530 |
/ |
3242) |
= |
-11.28007398 |
8 |
219363 |
2491 |
- |
2586 |
= |
-95 |
* |
(591 |
/ |
3242) |
= |
-17.31801351 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Oakley Union Elementary
|
-61 |
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 |
6453 |
2406 |
- |
2436 |
= |
-30 |
* |
(527 |
/ |
3217) |
= |
-4.91451663 |
4 |
6456 |
2450 |
- |
2485 |
= |
-35 |
* |
(559 |
/ |
3217) |
= |
-6.08175316 |
5 |
6457 |
2463 |
- |
2528 |
= |
-65 |
* |
(543 |
/ |
3217) |
= |
-10.97140187 |
6 |
6459 |
2485 |
- |
2552 |
= |
-67 |
* |
(546 |
/ |
3217) |
= |
-11.37146405 |
7 |
6462 |
2495 |
- |
2567 |
= |
-72 |
* |
(532 |
/ |
3217) |
= |
-11.90674541 |
8 |
6463 |
2514 |
- |
2586 |
= |
-72 |
* |
(510 |
/ |
3217) |
= |
-11.41436117 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Oakley Union Elementary
|
-57 |
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 |
6628 |
2413 |
- |
2436 |
= |
-23 |
* |
(537 |
/ |
3281) |
= |
-3.76440108 |
4 |
6629 |
2443 |
- |
2485 |
= |
-42 |
* |
(531 |
/ |
3281) |
= |
-6.79731788 |
5 |
6632 |
2465 |
- |
2528 |
= |
-63 |
* |
(579 |
/ |
3281) |
= |
-11.11764704 |
6 |
6633 |
2472 |
- |
2552 |
= |
-80 |
* |
(536 |
/ |
3281) |
= |
-13.06918616 |
7 |
6635 |
2500 |
- |
2567 |
= |
-67 |
* |
(567 |
/ |
3281) |
= |
-11.57848212 |
8 |
6637 |
2506 |
- |
2586 |
= |
-80 |
* |
(531 |
/ |
3281) |
= |
-12.94727216 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Oakley Union Elementary
|
-59 |
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 |
6631 |
2410 |
- |
2436 |
= |
-26 |
* |
(515 |
/ |
3306) |
= |
-4.05021172 |
4 |
6634 |
2447 |
- |
2485 |
= |
-38 |
* |
(555 |
/ |
3306) |
= |
-6.37931034 |
5 |
6635 |
2468 |
- |
2528 |
= |
-60 |
* |
(539 |
/ |
3306) |
= |
-9.78221412 |
6 |
6638 |
2475 |
- |
2552 |
= |
-77 |
* |
(571 |
/ |
3306) |
= |
-13.29915302 |
7 |
6639 |
2477 |
- |
2567 |
= |
-90 |
* |
(558 |
/ |
3306) |
= |
-15.19056261 |
8 |
6642 |
2509 |
- |
2586 |
= |
-77 |
* |
(568 |
/ |
3306) |
= |
-13.22928006 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Oakley Union Elementary
|
-62 |
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 |
6690 |
2411 |
- |
2436 |
= |
-25 |
* |
(567 |
/ |
3302) |
= |
-4.2928528 |
4 |
6691 |
2453 |
- |
2485 |
= |
-32 |
* |
(513 |
/ |
3302) |
= |
-4.97153238 |
5 |
6692 |
2469 |
- |
2528 |
= |
-59 |
* |
(564 |
/ |
3302) |
= |
-10.07752875 |
6 |
6693 |
2470 |
- |
2552 |
= |
-82 |
* |
(537 |
/ |
3302) |
= |
-13.33555414 |
7 |
6694 |
2483 |
- |
2567 |
= |
-84 |
* |
(573 |
/ |
3302) |
= |
-14.57662021 |
8 |
6695 |
2492 |
- |
2586 |
= |
-94 |
* |
(548 |
/ |
3302) |
= |
-15.60024226 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Oakley Union Elementary
|
-63 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-61
|
-57
|
-59
|
-62
|
-63
|
-302.0 |
-60.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.4
For the lines, you have the data necessary to plot the chart.