American Indian Public Charter II (Data source)
Source data for American Indian Public Charter II
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 | 76978 | 2437 | - | 2436 | = | 1 | * | (65 | / | 506) | = | 0.1284585 | ||
| 4 | 76981 | 2501 | - | 2485 | = | 16 | * | (64 | / | 506) | = | 2.02371541 | ||
| 5 | 76982 | 2550 | - | 2528 | = | 22 | * | (97 | / | 506) | = | 4.21739129 | ||
| 6 | 76985 | 2615 | - | 2552 | = | 63 | * | (100 | / | 506) | = | 12.45059285 | ||
| 7 | 76986 | 2645 | - | 2567 | = | 78 | * | (96 | / | 506) | = | 14.79841896 | ||
| 8 | 76989 | 2667 | - | 2586 | = | 81 | * | (84 | / | 506) | = | 13.44664031 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for American Indian Public Charter II | 47 | ||||||||||||
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 | 2080 | 2480 | - | 2436 | = | 44 | * | (54 | / | 490) | = | 4.84897956 | ||
| 4 | 2082 | 2513 | - | 2485 | = | 28 | * | (57 | / | 490) | = | 3.25714284 | ||
| 5 | 2083 | 2561 | - | 2528 | = | 33 | * | (85 | / | 490) | = | 5.72448977 | ||
| 6 | 2085 | 2593 | - | 2552 | = | 41 | * | (105 | / | 490) | = | 8.78571427 | ||
| 7 | 2088 | 2657 | - | 2567 | = | 90 | * | (100 | / | 490) | = | 18.36734688 | ||
| 8 | 2090 | 2683 | - | 2586 | = | 97 | * | (89 | / | 490) | = | 17.61836734 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for American Indian Public Charter II | 59 | ||||||||||||
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 | 2138 | 2486 | - | 2436 | = | 50 | * | (61 | / | 492) | = | 6.19918695 | ||
| 4 | 2140 | 2508 | - | 2485 | = | 23 | * | (62 | / | 492) | = | 2.89837398 | ||
| 5 | 2142 | 2563 | - | 2528 | = | 35 | * | (79 | / | 492) | = | 5.61991868 | ||
| 6 | 2144 | 2593 | - | 2552 | = | 41 | * | (95 | / | 492) | = | 7.91666663 | ||
| 7 | 2146 | 2634 | - | 2567 | = | 67 | * | (97 | / | 492) | = | 13.20934956 | ||
| 8 | 2148 | 2661 | - | 2586 | = | 75 | * | (98 | / | 492) | = | 14.93902433 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for American Indian Public Charter II | 51 | ||||||||||||
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 | 2141 | 2468 | - | 2436 | = | 32 | * | (59 | / | 488) | = | 3.86885245 | ||
| 4 | 2143 | 2544 | - | 2485 | = | 59 | * | (62 | / | 488) | = | 7.49590162 | ||
| 5 | 2145 | 2580 | - | 2528 | = | 52 | * | (66 | / | 488) | = | 7.03278685 | ||
| 6 | 2147 | 2556 | - | 2552 | = | 4 | * | (96 | / | 488) | = | 0.78688524 | ||
| 7 | 2149 | 2644 | - | 2567 | = | 77 | * | (100 | / | 488) | = | 15.77868846 | ||
| 8 | 2151 | 2626 | - | 2586 | = | 40 | * | (105 | / | 488) | = | 8.60655736 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for American Indian Public Charter II | 44 | ||||||||||||
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 | 2154 | 2498 | - | 2436 | = | 62 | * | (85 | / | 562) | = | 9.37722416 | ||
| 4 | 2155 | 2540 | - | 2485 | = | 55 | * | (81 | / | 562) | = | 7.92704622 | ||
| 5 | 2156 | 2597 | - | 2528 | = | 69 | * | (81 | / | 562) | = | 9.9448398 | ||
| 6 | 2157 | 2564 | - | 2552 | = | 12 | * | (108 | / | 562) | = | 2.30604982 | ||
| 7 | 2158 | 2599 | - | 2567 | = | 32 | * | (104 | / | 562) | = | 5.92170816 | ||
| 8 | 2159 | 2649 | - | 2586 | = | 63 | * | (103 | / | 562) | = | 11.54626332 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for American Indian Public Charter II | 47 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 47 | 59 | 51 | 44 | 47 | 248.0 | 49.6 |
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 | 69% | 77% | 67% | 70% | 76% |
| 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.
