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 |
453369 |
2403 |
- |
2436 |
= |
-33 |
* |
(35 |
/ |
212) |
= |
-5.44811319 |
4 |
453370 |
2425 |
- |
2485 |
= |
-60 |
* |
(32 |
/ |
212) |
= |
-9.05660376 |
5 |
453373 |
2460 |
- |
2528 |
= |
-68 |
* |
(31 |
/ |
212) |
= |
-9.94339622 |
6 |
453374 |
2476 |
- |
2552 |
= |
-76 |
* |
(35 |
/ |
212) |
= |
-12.54716976 |
7 |
453377 |
2500 |
- |
2567 |
= |
-67 |
* |
(38 |
/ |
212) |
= |
-12.00943396 |
8 |
453378 |
2530 |
- |
2586 |
= |
-56 |
* |
(41 |
/ |
212) |
= |
-10.83018866 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Seeley Union Elementary
|
-60 |
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 |
14334 |
2446 |
- |
2436 |
= |
10 |
* |
(34 |
/ |
220) |
= |
1.54545454 |
4 |
14335 |
2470 |
- |
2485 |
= |
-15 |
* |
(42 |
/ |
220) |
= |
-2.86363635 |
5 |
14337 |
2473 |
- |
2528 |
= |
-55 |
* |
(33 |
/ |
220) |
= |
-8.25 |
6 |
14339 |
2493 |
- |
2552 |
= |
-59 |
* |
(36 |
/ |
220) |
= |
-9.65454542 |
7 |
14341 |
2518 |
- |
2567 |
= |
-49 |
* |
(34 |
/ |
220) |
= |
-7.57272725 |
8 |
14344 |
2520 |
- |
2586 |
= |
-66 |
* |
(41 |
/ |
220) |
= |
-12.29999998 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Seeley Union Elementary
|
-39 |
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 |
14665 |
2428 |
- |
2436 |
= |
-8 |
* |
(43 |
/ |
202) |
= |
-1.7029703 |
4 |
14666 |
2461 |
- |
2485 |
= |
-24 |
* |
(32 |
/ |
202) |
= |
-3.80198018 |
5 |
14668 |
2487 |
- |
2528 |
= |
-41 |
* |
(34 |
/ |
202) |
= |
-6.90099007 |
6 |
14670 |
2464 |
- |
2552 |
= |
-88 |
* |
(31 |
/ |
202) |
= |
-13.50495045 |
7 |
14673 |
2511 |
- |
2567 |
= |
-56 |
* |
(31 |
/ |
202) |
= |
-8.59405938 |
8 |
14674 |
2539 |
- |
2586 |
= |
-47 |
* |
(31 |
/ |
202) |
= |
-7.21287126 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Seeley Union Elementary
|
-42 |
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 |
14678 |
2403 |
- |
2436 |
= |
-33 |
* |
(44 |
/ |
232) |
= |
-6.25862068 |
4 |
14681 |
2426 |
- |
2485 |
= |
-59 |
* |
(45 |
/ |
232) |
= |
-11.4439655 |
5 |
14682 |
2453 |
- |
2528 |
= |
-75 |
* |
(39 |
/ |
232) |
= |
-12.6077586 |
6 |
14685 |
2480 |
- |
2552 |
= |
-72 |
* |
(40 |
/ |
232) |
= |
-12.4137931 |
7 |
14686 |
2471 |
- |
2567 |
= |
-96 |
* |
(34 |
/ |
232) |
= |
-14.0689655 |
8 |
14689 |
2512 |
- |
2586 |
= |
-74 |
* |
(30 |
/ |
232) |
= |
-9.56896546 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Seeley Union Elementary
|
-66 |
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 |
14772 |
2402 |
- |
2436 |
= |
-34 |
* |
(51 |
/ |
259) |
= |
-6.69498066 |
4 |
14773 |
2419 |
- |
2485 |
= |
-66 |
* |
(46 |
/ |
259) |
= |
-11.72200768 |
5 |
14774 |
2447 |
- |
2528 |
= |
-81 |
* |
(46 |
/ |
259) |
= |
-14.38610034 |
6 |
14775 |
2496 |
- |
2552 |
= |
-56 |
* |
(41 |
/ |
259) |
= |
-8.86486485 |
7 |
14776 |
2517 |
- |
2567 |
= |
-50 |
* |
(36 |
/ |
259) |
= |
-6.9498069 |
8 |
14777 |
2480 |
- |
2586 |
= |
-106 |
* |
(39 |
/ |
259) |
= |
-15.9613899 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Seeley Union Elementary
|
-65 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-60
|
-39
|
-42
|
-66
|
-65
|
-272.0 |
-54.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.4
For the lines, you have the data necessary to plot the chart.