Connecting Waters Charter - East Bay (Data source)
Source data for Connecting Waters Charter - East Bay
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 | 108 | 0 | - | 2436 | = | * | (0 | / | 55) | = | ||||
| 4 | 110 | 2528 | - | 2485 | = | 43 | * | (13 | / | 55) | = | 10.16363635 | ||
| 5 | 112 | 0 | - | 2528 | = | * | (0 | / | 55) | = | ||||
| 6 | 114 | 2521 | - | 2552 | = | -31 | * | (11 | / | 55) | = | -6.2 | ||
| 7 | 116 | 2611 | - | 2567 | = | 44 | * | (11 | / | 55) | = | 8.8 | ||
| 8 | 118 | 0 | - | 2586 | = | * | (0 | / | 55) | = | ||||
| 11 | 120 | 0 | - | 2628 | = | * | (0 | / | 55) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Connecting Waters Charter - East Bay | 13 | ||||||||||||
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 | 119 | 2447 | - | 2436 | = | 11 | * | (40 | / | 228) | = | 1.92982456 | ||
| 4 | 120 | 2472 | - | 2485 | = | -13 | * | (35 | / | 228) | = | -1.99561402 | ||
| 5 | 121 | 2534 | - | 2528 | = | 6 | * | (40 | / | 228) | = | 1.05263158 | ||
| 6 | 122 | 2564 | - | 2552 | = | 12 | * | (34 | / | 228) | = | 1.78947368 | ||
| 7 | 123 | 2581 | - | 2567 | = | 14 | * | (30 | / | 228) | = | 1.84210526 | ||
| 8 | 124 | 2598 | - | 2586 | = | 12 | * | (31 | / | 228) | = | 1.63157894 | ||
| 11 | 125 | 2549 | - | 2628 | = | -79 | * | (18 | / | 228) | = | -6.23684207 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Connecting Waters Charter - East Bay | 0 | ||||||||||||
Last steps
Compute the average
| 2018 | 2019 | Sum | Average |
|---|---|---|---|
| 13 | 0 | 13.0 | 6.5 |
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:
| 2018 | 2019 | |
|---|---|---|
| Percent | 26% | 13% |
| Data source | 2018 data file | 2019 data file |
Alameda County Office of Education 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.