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 |
653266 |
2440 |
- |
2436 |
= |
4 |
* |
(312 |
/ |
1801) |
= |
0.69294836 |
4 |
653269 |
2465 |
- |
2485 |
= |
-20 |
* |
(274 |
/ |
1801) |
= |
-3.04275402 |
5 |
653270 |
2502 |
- |
2528 |
= |
-26 |
* |
(291 |
/ |
1801) |
= |
-4.20099943 |
6 |
653273 |
2531 |
- |
2552 |
= |
-21 |
* |
(306 |
/ |
1801) |
= |
-3.56801775 |
7 |
653274 |
2538 |
- |
2567 |
= |
-29 |
* |
(295 |
/ |
1801) |
= |
-4.75013881 |
8 |
653277 |
2534 |
- |
2586 |
= |
-52 |
* |
(323 |
/ |
1801) |
= |
-9.32593002 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Castaic Union
|
-24 |
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 |
20760 |
2433 |
- |
2436 |
= |
-3 |
* |
(229 |
/ |
1674) |
= |
-0.41039426 |
4 |
20761 |
2490 |
- |
2485 |
= |
5 |
* |
(294 |
/ |
1674) |
= |
0.8781362 |
5 |
20764 |
2488 |
- |
2528 |
= |
-40 |
* |
(275 |
/ |
1674) |
= |
-6.5710872 |
6 |
20766 |
2530 |
- |
2552 |
= |
-22 |
* |
(286 |
/ |
1674) |
= |
-3.75866187 |
7 |
20767 |
2548 |
- |
2567 |
= |
-19 |
* |
(295 |
/ |
1674) |
= |
-3.34826761 |
8 |
20770 |
2547 |
- |
2586 |
= |
-39 |
* |
(294 |
/ |
1674) |
= |
-6.84946236 |
11 |
20771 |
0 |
- |
2628 |
= |
|
* |
(1 |
/ |
1674) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Castaic Union
|
-20 |
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 |
21121 |
2437 |
- |
2436 |
= |
1 |
* |
(188 |
/ |
1543) |
= |
0.12184057 |
4 |
21123 |
2483 |
- |
2485 |
= |
-2 |
* |
(226 |
/ |
1543) |
= |
-0.29293584 |
5 |
21126 |
2505 |
- |
2528 |
= |
-23 |
* |
(293 |
/ |
1543) |
= |
-4.36746598 |
6 |
21127 |
2519 |
- |
2552 |
= |
-33 |
* |
(262 |
/ |
1543) |
= |
-5.60337004 |
7 |
21129 |
2535 |
- |
2567 |
= |
-32 |
* |
(289 |
/ |
1543) |
= |
-5.9935191 |
8 |
21132 |
2564 |
- |
2586 |
= |
-22 |
* |
(285 |
/ |
1543) |
= |
-4.06351262 |
11 |
21134 |
0 |
- |
2628 |
= |
|
* |
(0 |
/ |
1543) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Castaic Union
|
-20 |
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 |
21098 |
2443 |
- |
2436 |
= |
7 |
* |
(214 |
/ |
1454) |
= |
1.03026134 |
4 |
21100 |
2497 |
- |
2485 |
= |
12 |
* |
(187 |
/ |
1454) |
= |
1.54332875 |
5 |
21102 |
2516 |
- |
2528 |
= |
-12 |
* |
(225 |
/ |
1454) |
= |
-1.85694635 |
6 |
21104 |
2540 |
- |
2552 |
= |
-12 |
* |
(300 |
/ |
1454) |
= |
-2.47592846 |
7 |
21106 |
2523 |
- |
2567 |
= |
-44 |
* |
(248 |
/ |
1454) |
= |
-7.50481428 |
8 |
21108 |
2552 |
- |
2586 |
= |
-34 |
* |
(280 |
/ |
1454) |
= |
-6.54745528 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Castaic Union
|
-16 |
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 |
21275 |
2443 |
- |
2436 |
= |
7 |
* |
(181 |
/ |
1345) |
= |
0.94200743 |
4 |
21276 |
2494 |
- |
2485 |
= |
9 |
* |
(215 |
/ |
1345) |
= |
1.43866171 |
5 |
21277 |
2523 |
- |
2528 |
= |
-5 |
* |
(187 |
/ |
1345) |
= |
-0.69516729 |
6 |
21278 |
2532 |
- |
2552 |
= |
-20 |
* |
(240 |
/ |
1345) |
= |
-3.56877322 |
7 |
21279 |
2545 |
- |
2567 |
= |
-22 |
* |
(284 |
/ |
1345) |
= |
-4.64535315 |
8 |
21280 |
2536 |
- |
2586 |
= |
-50 |
* |
(238 |
/ |
1345) |
= |
-8.8475836 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Castaic Union
|
-15 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-24
|
-20
|
-20
|
-16
|
-15
|
-95.0 |
-19.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -28.0
For the lines, you have the data necessary to plot the chart.