Maya Lin (Data source)
Source data for Maya Lin
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 | 8265 | 2411 | - | 2436 | = | -25 | * | ( | / | ) | = | |||
| 4 | 8268 | 2477 | - | 2485 | = | -8 | * | ( | / | ) | = | |||
| 5 | 8269 | 2497 | - | 2528 | = | -31 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Maya Lin | |||||||||||||
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 | 239 | 2412 | - | 2436 | = | -24 | * | ( | / | ) | = | |||
| 4 | 241 | 2451 | - | 2485 | = | -34 | * | ( | / | ) | = | |||
| 5 | 244 | 2515 | - | 2528 | = | -13 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Maya Lin | |||||||||||||
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 | 242 | 2428 | - | 2436 | = | -8 | * | ( | / | ) | = | |||
| 4 | 244 | 2475 | - | 2485 | = | -10 | * | ( | / | ) | = | |||
| 5 | 245 | 2473 | - | 2528 | = | -55 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Maya Lin | |||||||||||||
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 | 262 | 2444 | - | 2436 | = | 8 | * | ( | / | ) | = | |||
| 4 | 264 | 2490 | - | 2485 | = | 5 | * | ( | / | ) | = | |||
| 5 | 266 | 2489 | - | 2528 | = | -39 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Maya Lin | |||||||||||||
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 | 289 | 2441 | - | 2436 | = | 5 | * | ( | / | ) | = | |||
| 4 | 290 | 2485 | - | 2485 | = | 0 | * | ( | / | ) | = | |||
| 5 | 291 | 2519 | - | 2528 | = | -9 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Maya Lin | |||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 0.0 | 0.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 42% | 37% | 28% | 23% | 23% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alameda Unified school district | County of Alameda
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
-- no performance data available --
Alternative Schools of Choice schools in Alameda Unified (1)
| Alameda Science and Technology Institute |