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 |
1403822 |
2411 |
- |
2436 |
= |
-25 |
* |
(64 |
/ |
419) |
= |
-3.81861575 |
4 |
1403825 |
2436 |
- |
2485 |
= |
-49 |
* |
(68 |
/ |
419) |
= |
-7.95226728 |
5 |
1403826 |
2464 |
- |
2528 |
= |
-64 |
* |
(58 |
/ |
419) |
= |
-8.85918854 |
6 |
1403829 |
2494 |
- |
2552 |
= |
-58 |
* |
(63 |
/ |
419) |
= |
-8.72076371 |
7 |
1403830 |
2540 |
- |
2567 |
= |
-27 |
* |
(75 |
/ |
419) |
= |
-4.83293555 |
8 |
1403833 |
2553 |
- |
2586 |
= |
-33 |
* |
(82 |
/ |
419) |
= |
-6.45823388 |
11 |
1403834 |
0 |
- |
2628 |
= |
|
* |
(9 |
/ |
419) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Penn Valley Union Elementary
|
-41 |
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 |
44286 |
2425 |
- |
2436 |
= |
-11 |
* |
(73 |
/ |
407) |
= |
-1.97297297 |
4 |
44288 |
2472 |
- |
2485 |
= |
-13 |
* |
(64 |
/ |
407) |
= |
-2.04422604 |
5 |
44290 |
2467 |
- |
2528 |
= |
-61 |
* |
(71 |
/ |
407) |
= |
-10.64127761 |
6 |
44292 |
2508 |
- |
2552 |
= |
-44 |
* |
(52 |
/ |
407) |
= |
-5.62162159 |
7 |
44294 |
2517 |
- |
2567 |
= |
-50 |
* |
(58 |
/ |
407) |
= |
-7.1253071 |
8 |
44296 |
2573 |
- |
2586 |
= |
-13 |
* |
(75 |
/ |
407) |
= |
-2.39557739 |
11 |
44299 |
2527 |
- |
2628 |
= |
-101 |
* |
(14 |
/ |
407) |
= |
-3.47420143 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Penn Valley Union Elementary
|
-33 |
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 |
45374 |
2444 |
- |
2436 |
= |
8 |
* |
(68 |
/ |
385) |
= |
1.41298701 |
4 |
45376 |
2458 |
- |
2485 |
= |
-27 |
* |
(77 |
/ |
385) |
= |
-5.4 |
5 |
45377 |
2493 |
- |
2528 |
= |
-35 |
* |
(57 |
/ |
385) |
= |
-5.18181818 |
6 |
45379 |
2492 |
- |
2552 |
= |
-60 |
* |
(64 |
/ |
385) |
= |
-9.97402596 |
7 |
45382 |
2547 |
- |
2567 |
= |
-20 |
* |
(50 |
/ |
385) |
= |
-2.59740258 |
8 |
45383 |
2532 |
- |
2586 |
= |
-54 |
* |
(57 |
/ |
385) |
= |
-7.99480519 |
11 |
45385 |
2485 |
- |
2628 |
= |
-143 |
* |
(12 |
/ |
385) |
= |
-4.45714283 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Penn Valley Union Elementary
|
-34 |
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 |
45398 |
2445 |
- |
2436 |
= |
9 |
* |
(67 |
/ |
361) |
= |
1.6703601 |
4 |
45401 |
2488 |
- |
2485 |
= |
3 |
* |
(70 |
/ |
361) |
= |
0.58171745 |
5 |
45402 |
2493 |
- |
2528 |
= |
-35 |
* |
(62 |
/ |
361) |
= |
-6.01108032 |
6 |
45405 |
2548 |
- |
2552 |
= |
-4 |
* |
(53 |
/ |
361) |
= |
-0.58725762 |
7 |
45406 |
2545 |
- |
2567 |
= |
-22 |
* |
(58 |
/ |
361) |
= |
-3.53462602 |
8 |
45409 |
2575 |
- |
2586 |
= |
-11 |
* |
(46 |
/ |
361) |
= |
-1.40166204 |
11 |
45410 |
0 |
- |
2628 |
= |
|
* |
(0 |
/ |
361) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Penn Valley Union Elementary
|
-9 |
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 |
45537 |
2431 |
- |
2436 |
= |
-5 |
* |
(49 |
/ |
353) |
= |
-0.69405099 |
4 |
45538 |
2478 |
- |
2485 |
= |
-7 |
* |
(70 |
/ |
353) |
= |
-1.38810198 |
5 |
45539 |
2510 |
- |
2528 |
= |
-18 |
* |
(64 |
/ |
353) |
= |
-3.26345609 |
6 |
45540 |
2515 |
- |
2552 |
= |
-37 |
* |
(61 |
/ |
353) |
= |
-6.39376768 |
7 |
45541 |
2532 |
- |
2567 |
= |
-35 |
* |
(49 |
/ |
353) |
= |
-4.85835693 |
8 |
45542 |
2541 |
- |
2586 |
= |
-45 |
* |
(56 |
/ |
353) |
= |
-7.13881017 |
11 |
45543 |
0 |
- |
2628 |
= |
|
* |
(4 |
/ |
353) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Penn Valley Union Elementary
|
-24 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-41
|
-33
|
-34
|
-9
|
-24
|
-141.0 |
-28.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.2
For the lines, you have the data necessary to plot the chart.