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 |
1322280 |
2394 |
- |
2436 |
= |
-42 |
* |
(14 |
/ |
106) |
= |
-5.54716978 |
4 |
1322281 |
2392 |
- |
2485 |
= |
-93 |
* |
(14 |
/ |
106) |
= |
-12.2830188 |
5 |
1322284 |
2451 |
- |
2528 |
= |
-77 |
* |
(19 |
/ |
106) |
= |
-13.80188679 |
6 |
1322285 |
2490 |
- |
2552 |
= |
-62 |
* |
(22 |
/ |
106) |
= |
-12.86792448 |
7 |
1322288 |
2501 |
- |
2567 |
= |
-66 |
* |
(15 |
/ |
106) |
= |
-9.33962258 |
8 |
1322289 |
2564 |
- |
2586 |
= |
-22 |
* |
(22 |
/ |
106) |
= |
-4.56603772 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Merced River Union Elementary
|
-58 |
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 |
41492 |
2377 |
- |
2436 |
= |
-59 |
* |
(11 |
/ |
98) |
= |
-6.62244892 |
4 |
41495 |
2434 |
- |
2485 |
= |
-51 |
* |
(15 |
/ |
98) |
= |
-7.80612242 |
5 |
41497 |
0 |
- |
2528 |
= |
|
* |
(10 |
/ |
98) |
= |
|
6 |
41499 |
2502 |
- |
2552 |
= |
-50 |
* |
(20 |
/ |
98) |
= |
-10.2040816 |
7 |
41500 |
2520 |
- |
2567 |
= |
-47 |
* |
(23 |
/ |
98) |
= |
-11.03061222 |
8 |
41503 |
2596 |
- |
2586 |
= |
10 |
* |
(19 |
/ |
98) |
= |
1.93877551 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Merced River Union Elementary
|
-34 |
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 |
42510 |
2404 |
- |
2436 |
= |
-32 |
* |
(12 |
/ |
106) |
= |
-3.6226415 |
4 |
42512 |
2392 |
- |
2485 |
= |
-93 |
* |
(15 |
/ |
106) |
= |
-13.16037727 |
5 |
42514 |
2479 |
- |
2528 |
= |
-49 |
* |
(15 |
/ |
106) |
= |
-6.93396222 |
6 |
42516 |
2461 |
- |
2552 |
= |
-91 |
* |
(14 |
/ |
106) |
= |
-12.01886786 |
7 |
42518 |
2490 |
- |
2567 |
= |
-77 |
* |
(26 |
/ |
106) |
= |
-18.88679239 |
8 |
42519 |
2577 |
- |
2586 |
= |
-9 |
* |
(24 |
/ |
106) |
= |
-2.03773585 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Merced River Union Elementary
|
-57 |
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 |
42522 |
2402 |
- |
2436 |
= |
-34 |
* |
(16 |
/ |
103) |
= |
-5.28155337 |
4 |
42525 |
2446 |
- |
2485 |
= |
-39 |
* |
(16 |
/ |
103) |
= |
-6.0582524 |
5 |
42526 |
2417 |
- |
2528 |
= |
-111 |
* |
(14 |
/ |
103) |
= |
-15.08737863 |
6 |
42529 |
2502 |
- |
2552 |
= |
-50 |
* |
(16 |
/ |
103) |
= |
-7.76699025 |
7 |
42530 |
2510 |
- |
2567 |
= |
-57 |
* |
(18 |
/ |
103) |
= |
-9.96116502 |
8 |
42533 |
2546 |
- |
2586 |
= |
-40 |
* |
(23 |
/ |
103) |
= |
-8.9320388 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Merced River Union Elementary
|
-53 |
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 |
42665 |
2443 |
- |
2436 |
= |
7 |
* |
(20 |
/ |
114) |
= |
1.22807017 |
4 |
42666 |
2455 |
- |
2485 |
= |
-30 |
* |
(17 |
/ |
114) |
= |
-4.47368421 |
5 |
42667 |
2463 |
- |
2528 |
= |
-65 |
* |
(18 |
/ |
114) |
= |
-10.26315784 |
6 |
42668 |
2454 |
- |
2552 |
= |
-98 |
* |
(20 |
/ |
114) |
= |
-17.19298241 |
7 |
42669 |
2539 |
- |
2567 |
= |
-28 |
* |
(19 |
/ |
114) |
= |
-4.66666665 |
8 |
42670 |
2543 |
- |
2586 |
= |
-43 |
* |
(20 |
/ |
114) |
= |
-7.54385963 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Merced River Union Elementary
|
-43 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-58
|
-34
|
-57
|
-53
|
-43
|
-245.0 |
-49.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -19.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.0
For the lines, you have the data necessary to plot the chart.