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 |
500203 |
2433 |
- |
2436 |
= |
-3 |
* |
(358 |
/ |
2068) |
= |
-0.51934236 |
4 |
500206 |
2466 |
- |
2485 |
= |
-19 |
* |
(338 |
/ |
2068) |
= |
-3.10541586 |
5 |
500207 |
2484 |
- |
2528 |
= |
-44 |
* |
(353 |
/ |
2068) |
= |
-7.51063826 |
6 |
500210 |
2513 |
- |
2552 |
= |
-39 |
* |
(335 |
/ |
2068) |
= |
-6.31769826 |
7 |
500211 |
2532 |
- |
2567 |
= |
-35 |
* |
(343 |
/ |
2068) |
= |
-5.80512573 |
8 |
500214 |
2543 |
- |
2586 |
= |
-43 |
* |
(341 |
/ |
2068) |
= |
-7.09042553 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fruitvale Elementary
|
-30 |
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 |
15886 |
2450 |
- |
2436 |
= |
14 |
* |
(359 |
/ |
2072) |
= |
2.42567567 |
4 |
15887 |
2481 |
- |
2485 |
= |
-4 |
* |
(354 |
/ |
2072) |
= |
-0.68339768 |
5 |
15889 |
2490 |
- |
2528 |
= |
-38 |
* |
(345 |
/ |
2072) |
= |
-6.32722006 |
6 |
15891 |
2526 |
- |
2552 |
= |
-26 |
* |
(355 |
/ |
2072) |
= |
-4.4546332 |
7 |
15893 |
2555 |
- |
2567 |
= |
-12 |
* |
(317 |
/ |
2072) |
= |
-1.83590732 |
8 |
15896 |
2597 |
- |
2586 |
= |
11 |
* |
(342 |
/ |
2072) |
= |
1.81563707 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fruitvale Elementary
|
-9 |
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 |
16207 |
2442 |
- |
2436 |
= |
6 |
* |
(376 |
/ |
2120) |
= |
1.06415094 |
4 |
16209 |
2477 |
- |
2485 |
= |
-8 |
* |
(361 |
/ |
2120) |
= |
-1.36226414 |
5 |
16211 |
2506 |
- |
2528 |
= |
-22 |
* |
(360 |
/ |
2120) |
= |
-3.73584904 |
6 |
16213 |
2512 |
- |
2552 |
= |
-40 |
* |
(350 |
/ |
2120) |
= |
-6.60377356 |
7 |
16214 |
2577 |
- |
2567 |
= |
10 |
* |
(354 |
/ |
2120) |
= |
1.66981132 |
8 |
16216 |
2589 |
- |
2586 |
= |
3 |
* |
(319 |
/ |
2120) |
= |
0.45141509 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fruitvale Elementary
|
-9 |
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 |
16222 |
2453 |
- |
2436 |
= |
17 |
* |
(333 |
/ |
2149) |
= |
2.63424848 |
4 |
16224 |
2471 |
- |
2485 |
= |
-14 |
* |
(387 |
/ |
2149) |
= |
-2.52117263 |
5 |
16226 |
2509 |
- |
2528 |
= |
-19 |
* |
(366 |
/ |
2149) |
= |
-3.23592367 |
6 |
16228 |
2527 |
- |
2552 |
= |
-25 |
* |
(368 |
/ |
2149) |
= |
-4.28106095 |
7 |
16230 |
2574 |
- |
2567 |
= |
7 |
* |
(345 |
/ |
2149) |
= |
1.1237785 |
8 |
16232 |
2602 |
- |
2586 |
= |
16 |
* |
(350 |
/ |
2149) |
= |
2.60586318 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fruitvale Elementary
|
-4 |
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 |
16356 |
2461 |
- |
2436 |
= |
25 |
* |
(353 |
/ |
2101) |
= |
4.20038075 |
4 |
16357 |
2491 |
- |
2485 |
= |
6 |
* |
(334 |
/ |
2101) |
= |
0.95383151 |
5 |
16358 |
2498 |
- |
2528 |
= |
-30 |
* |
(377 |
/ |
2101) |
= |
-5.38315086 |
6 |
16359 |
2540 |
- |
2552 |
= |
-12 |
* |
(361 |
/ |
2101) |
= |
-2.06187529 |
7 |
16360 |
2601 |
- |
2567 |
= |
34 |
* |
(338 |
/ |
2101) |
= |
5.46977628 |
8 |
16361 |
2583 |
- |
2586 |
= |
-3 |
* |
(338 |
/ |
2101) |
= |
-0.48262732 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fruitvale Elementary
|
3 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-30
|
-9
|
-9
|
-4
|
3
|
-49.0 |
-9.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 26.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.8
For the lines, you have the data necessary to plot the chart.