American Indian Public Charter (Data source)
Source data for American Indian Public 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 |
||
| 6 | 99029 | 2512 | - | 2552 | = | -40 | * | (78 | / | 184) | = | -16.95652172 | ||
| 7 | 99030 | 2574 | - | 2567 | = | 7 | * | (47 | / | 184) | = | 1.78804347 | ||
| 8 | 99032 | 2655 | - | 2586 | = | 69 | * | (59 | / | 184) | = | 22.12499994 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for American Indian Public Charter | 7 | ||||||||||||
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 |
||
| 6 | 2803 | 2601 | - | 2552 | = | 49 | * | (26 | / | 128) | = | 9.953125 | ||
| 7 | 2806 | 2592 | - | 2567 | = | 25 | * | (54 | / | 128) | = | 10.546875 | ||
| 8 | 2807 | 2591 | - | 2586 | = | 5 | * | (48 | / | 128) | = | 1.875 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for American Indian Public Charter | 22 | ||||||||||||
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 |
||
| 6 | 2880 | 2585 | - | 2552 | = | 33 | * | (46 | / | 143) | = | 10.61538459 | ||
| 7 | 2882 | 2621 | - | 2567 | = | 54 | * | (48 | / | 143) | = | 18.12587409 | ||
| 8 | 2883 | 2610 | - | 2586 | = | 24 | * | (49 | / | 143) | = | 8.22377621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for American Indian Public Charter | 37 | ||||||||||||
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 |
||
| 6 | 2880 | 2591 | - | 2552 | = | 39 | * | (46 | / | 144) | = | 12.45833332 | ||
| 7 | 2882 | 2642 | - | 2567 | = | 75 | * | (48 | / | 144) | = | 24.99999998 | ||
| 8 | 2884 | 2634 | - | 2586 | = | 48 | * | (50 | / | 144) | = | 16.66666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for American Indian Public Charter | 54 | ||||||||||||
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 |
||
| 6 | 2903 | 2546 | - | 2552 | = | -6 | * | (53 | / | 153) | = | -2.07843137 | ||
| 7 | 2904 | 2636 | - | 2567 | = | 69 | * | (50 | / | 153) | = | 22.54901957 | ||
| 8 | 2905 | 2639 | - | 2586 | = | 53 | * | (50 | / | 153) | = | 17.32026141 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for American Indian Public Charter | 38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 7 | 22 | 37 | 54 | 38 | 158.0 | 31.6 |
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 | 81% | 84% | 72% | 77% | 74% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oakland 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.