Livermore Valley Charter (Data source)
Source data for Livermore Valley Charter
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 | 55512 | 2454 | - | 2436 | = | 18 | * | ( | / | ) | = | |||
| 4 | 55513 | 2538 | - | 2485 | = | 53 | * | ( | / | ) | = | |||
| 5 | 55516 | 2550 | - | 2528 | = | 22 | * | ( | / | ) | = | |||
| 6 | 55517 | 2557 | - | 2552 | = | 5 | * | ( | / | ) | = | |||
| 7 | 55520 | 2553 | - | 2567 | = | -14 | * | ( | / | ) | = | |||
| 8 | 55521 | 2585 | - | 2586 | = | -1 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Livermore Valley Charter | |||||||||||||
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 | 1455 | 2445 | - | 2436 | = | 9 | * | ( | / | ) | = | |||
| 4 | 1458 | 2487 | - | 2485 | = | 2 | * | ( | / | ) | = | |||
| 5 | 1459 | 2562 | - | 2528 | = | 34 | * | ( | / | ) | = | |||
| 6 | 1461 | 2557 | - | 2552 | = | 5 | * | ( | / | ) | = | |||
| 7 | 1464 | 2593 | - | 2567 | = | 26 | * | ( | / | ) | = | |||
| 8 | 1466 | 2580 | - | 2586 | = | -6 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Livermore Valley Charter | |||||||||||||
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 | 1494 | 2418 | - | 2436 | = | -18 | * | ( | / | ) | = | |||
| 4 | 1495 | 2464 | - | 2485 | = | -21 | * | ( | / | ) | = | |||
| 5 | 1497 | 2546 | - | 2528 | = | 18 | * | ( | / | ) | = | |||
| 6 | 1499 | 2540 | - | 2552 | = | -12 | * | ( | / | ) | = | |||
| 7 | 1502 | 2568 | - | 2567 | = | 1 | * | ( | / | ) | = | |||
| 8 | 1504 | 2583 | - | 2586 | = | -3 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Livermore Valley Charter | |||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 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 | |
|---|---|---|---|
| Percent | 3% | 5% | 8% |
| Data source | 2015 data file | 2016 data file | 2017 data file |
Livermore Valley Joint 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.
