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 |
271239 |
2450 |
- |
2436 |
= |
14 |
* |
(67 |
/ |
260) |
= |
3.6076923 |
4 |
271240 |
2457 |
- |
2485 |
= |
-28 |
* |
(47 |
/ |
260) |
= |
-5.06153844 |
5 |
271243 |
2472 |
- |
2528 |
= |
-56 |
* |
(50 |
/ |
260) |
= |
-10.76923075 |
6 |
271244 |
2518 |
- |
2552 |
= |
-34 |
* |
(32 |
/ |
260) |
= |
-4.18461538 |
7 |
271247 |
2550 |
- |
2567 |
= |
-17 |
* |
(33 |
/ |
260) |
= |
-2.15769229 |
8 |
271248 |
2565 |
- |
2586 |
= |
-21 |
* |
(31 |
/ |
260) |
= |
-2.50384615 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Camino Union Elementary
|
-21 |
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 |
7981 |
2432 |
- |
2436 |
= |
-4 |
* |
(49 |
/ |
236) |
= |
-0.83050847 |
4 |
7983 |
2459 |
- |
2485 |
= |
-26 |
* |
(49 |
/ |
236) |
= |
-5.39830507 |
5 |
7986 |
2482 |
- |
2528 |
= |
-46 |
* |
(40 |
/ |
236) |
= |
-7.79661015 |
6 |
7987 |
2513 |
- |
2552 |
= |
-39 |
* |
(43 |
/ |
236) |
= |
-7.10593217 |
7 |
7990 |
2570 |
- |
2567 |
= |
3 |
* |
(28 |
/ |
236) |
= |
0.3559322 |
8 |
7992 |
2590 |
- |
2586 |
= |
4 |
* |
(27 |
/ |
236) |
= |
0.45762712 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Camino Union Elementary
|
-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 |
8253 |
2442 |
- |
2436 |
= |
6 |
* |
(44 |
/ |
256) |
= |
1.03125 |
4 |
8255 |
2455 |
- |
2485 |
= |
-30 |
* |
(44 |
/ |
256) |
= |
-5.15625 |
5 |
8258 |
2480 |
- |
2528 |
= |
-48 |
* |
(49 |
/ |
256) |
= |
-9.1875 |
6 |
8260 |
2556 |
- |
2552 |
= |
4 |
* |
(42 |
/ |
256) |
= |
0.65625 |
7 |
8262 |
2525 |
- |
2567 |
= |
-42 |
* |
(42 |
/ |
256) |
= |
-6.890625 |
8 |
8263 |
2562 |
- |
2586 |
= |
-24 |
* |
(35 |
/ |
256) |
= |
-3.28125 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Camino Union Elementary
|
-23 |
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 |
8290 |
2439 |
- |
2436 |
= |
3 |
* |
(44 |
/ |
253) |
= |
0.52173913 |
4 |
8291 |
2491 |
- |
2485 |
= |
6 |
* |
(41 |
/ |
253) |
= |
0.97233201 |
5 |
8294 |
2517 |
- |
2528 |
= |
-11 |
* |
(43 |
/ |
253) |
= |
-1.86956521 |
6 |
8295 |
2534 |
- |
2552 |
= |
-18 |
* |
(49 |
/ |
253) |
= |
-3.486166 |
7 |
8298 |
2610 |
- |
2567 |
= |
43 |
* |
(35 |
/ |
253) |
= |
5.94861656 |
8 |
8299 |
2590 |
- |
2586 |
= |
4 |
* |
(41 |
/ |
253) |
= |
0.64822134 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Camino Union Elementary
|
3 |
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 |
8344 |
2421 |
- |
2436 |
= |
-15 |
* |
(50 |
/ |
255) |
= |
-2.94117647 |
4 |
8345 |
2457 |
- |
2485 |
= |
-28 |
* |
(37 |
/ |
255) |
= |
-4.06274509 |
5 |
8346 |
2536 |
- |
2528 |
= |
8 |
* |
(39 |
/ |
255) |
= |
1.22352941 |
6 |
8347 |
2542 |
- |
2552 |
= |
-10 |
* |
(40 |
/ |
255) |
= |
-1.56862745 |
7 |
8348 |
2613 |
- |
2567 |
= |
46 |
* |
(51 |
/ |
255) |
= |
9.2 |
8 |
8349 |
2661 |
- |
2586 |
= |
75 |
* |
(38 |
/ |
255) |
= |
11.17647053 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Camino Union Elementary
|
13 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-21
|
-20
|
-23
|
3
|
13
|
-48.0 |
-9.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -57.6
For the lines, you have the data necessary to plot the chart.