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 |
386231 |
2386 |
- |
2436 |
= |
-50 |
* |
(70 |
/ |
594) |
= |
-5.89225585 |
4 |
386234 |
2464 |
- |
2485 |
= |
-21 |
* |
(88 |
/ |
594) |
= |
-3.11111111 |
5 |
386235 |
2492 |
- |
2528 |
= |
-36 |
* |
(89 |
/ |
594) |
= |
-5.39393936 |
6 |
386238 |
2510 |
- |
2552 |
= |
-42 |
* |
(86 |
/ |
594) |
= |
-6.08080805 |
7 |
386239 |
2503 |
- |
2567 |
= |
-64 |
* |
(77 |
/ |
594) |
= |
-8.29629626 |
8 |
386242 |
2533 |
- |
2586 |
= |
-53 |
* |
(82 |
/ |
594) |
= |
-7.31649831 |
11 |
386243 |
2576 |
- |
2628 |
= |
-52 |
* |
(102 |
/ |
594) |
= |
-8.92929289 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sierra Unified
|
-45 |
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 |
11756 |
2425 |
- |
2436 |
= |
-11 |
* |
(93 |
/ |
629) |
= |
-1.6263911 |
4 |
11758 |
2436 |
- |
2485 |
= |
-49 |
* |
(73 |
/ |
629) |
= |
-5.68680442 |
5 |
11759 |
2482 |
- |
2528 |
= |
-46 |
* |
(94 |
/ |
629) |
= |
-6.87440381 |
6 |
11762 |
2512 |
- |
2552 |
= |
-40 |
* |
(89 |
/ |
629) |
= |
-5.6597774 |
7 |
11763 |
2534 |
- |
2567 |
= |
-33 |
* |
(86 |
/ |
629) |
= |
-4.51192368 |
8 |
11766 |
2511 |
- |
2586 |
= |
-75 |
* |
(81 |
/ |
629) |
= |
-9.65818755 |
11 |
11768 |
2572 |
- |
2628 |
= |
-56 |
* |
(113 |
/ |
629) |
= |
-10.06041333 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sierra Unified
|
-44 |
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 |
12085 |
2436 |
- |
2436 |
= |
0 |
* |
(87 |
/ |
667) |
= |
0.0 |
4 |
12087 |
2455 |
- |
2485 |
= |
-30 |
* |
(99 |
/ |
667) |
= |
-4.45277361 |
5 |
12089 |
2443 |
- |
2528 |
= |
-85 |
* |
(79 |
/ |
667) |
= |
-10.06746622 |
6 |
12091 |
2519 |
- |
2552 |
= |
-33 |
* |
(101 |
/ |
667) |
= |
-4.99700147 |
7 |
12094 |
2521 |
- |
2567 |
= |
-46 |
* |
(86 |
/ |
667) |
= |
-5.93103447 |
8 |
12095 |
2541 |
- |
2586 |
= |
-45 |
* |
(90 |
/ |
667) |
= |
-6.07196399 |
11 |
12097 |
2571 |
- |
2628 |
= |
-57 |
* |
(125 |
/ |
667) |
= |
-10.68215887 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sierra Unified
|
-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 |
12122 |
2429 |
- |
2436 |
= |
-7 |
* |
(86 |
/ |
644) |
= |
-0.9347826 |
4 |
12123 |
2468 |
- |
2485 |
= |
-17 |
* |
(86 |
/ |
644) |
= |
-2.27018632 |
5 |
12126 |
2475 |
- |
2528 |
= |
-53 |
* |
(96 |
/ |
644) |
= |
-7.90062107 |
6 |
12127 |
2477 |
- |
2552 |
= |
-75 |
* |
(81 |
/ |
644) |
= |
-9.43322978 |
7 |
12130 |
2540 |
- |
2567 |
= |
-27 |
* |
(112 |
/ |
644) |
= |
-4.69565216 |
8 |
12131 |
2552 |
- |
2586 |
= |
-34 |
* |
(88 |
/ |
644) |
= |
-4.64596271 |
11 |
12134 |
2546 |
- |
2628 |
= |
-82 |
* |
(95 |
/ |
644) |
= |
-12.09627321 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sierra Unified
|
-42 |
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 |
12217 |
2424 |
- |
2436 |
= |
-12 |
* |
(97 |
/ |
639) |
= |
-1.82159624 |
4 |
12218 |
2484 |
- |
2485 |
= |
-1 |
* |
(84 |
/ |
639) |
= |
-0.1314554 |
5 |
12219 |
2495 |
- |
2528 |
= |
-33 |
* |
(83 |
/ |
639) |
= |
-4.28638495 |
6 |
12220 |
2528 |
- |
2552 |
= |
-24 |
* |
(91 |
/ |
639) |
= |
-3.41784036 |
7 |
12221 |
2501 |
- |
2567 |
= |
-66 |
* |
(86 |
/ |
639) |
= |
-8.88262907 |
8 |
12222 |
2548 |
- |
2586 |
= |
-38 |
* |
(112 |
/ |
639) |
= |
-6.66040687 |
11 |
12223 |
2549 |
- |
2628 |
= |
-79 |
* |
(86 |
/ |
639) |
= |
-10.63223783 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sierra Unified
|
-36 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-45
|
-44
|
-42
|
-42
|
-36
|
-209.0 |
-41.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.8
For the lines, you have the data necessary to plot the chart.