Westside Global Awareness Magnet (Data source)
Source data for Westside Global Awareness Magnet
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 | 854034 | 2412 | - | 2436 | = | -24 | * | (21 | / | 298) | = | -1.69127515 | ||
| 4 | 854037 | 2412 | - | 2485 | = | -73 | * | (24 | / | 298) | = | -5.87919458 | ||
| 5 | 854038 | 2493 | - | 2528 | = | -35 | * | (23 | / | 298) | = | -2.70134228 | ||
| 6 | 854041 | 2498 | - | 2552 | = | -54 | * | (72 | / | 298) | = | -13.04697985 | ||
| 7 | 854042 | 2492 | - | 2567 | = | -75 | * | (81 | / | 298) | = | -20.385906 | ||
| 8 | 854045 | 2530 | - | 2586 | = | -56 | * | (77 | / | 298) | = | -14.46979862 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Westside Global Awareness Magnet | -58 | ||||||||||||
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 | 27013 | 2403 | - | 2436 | = | -33 | * | (25 | / | 312) | = | -2.64423077 | ||
| 4 | 27015 | 2452 | - | 2485 | = | -33 | * | (26 | / | 312) | = | -2.74999999 | ||
| 5 | 27016 | 2478 | - | 2528 | = | -50 | * | (29 | / | 312) | = | -4.64743585 | ||
| 6 | 27018 | 2529 | - | 2552 | = | -23 | * | (77 | / | 312) | = | -5.67628203 | ||
| 7 | 27021 | 2527 | - | 2567 | = | -40 | * | (75 | / | 312) | = | -9.6153846 | ||
| 8 | 27023 | 2517 | - | 2586 | = | -69 | * | (80 | / | 312) | = | -17.69230766 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Westside Global Awareness Magnet | -43 | ||||||||||||
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 | 27592 | 2396 | - | 2436 | = | -40 | * | (16 | / | 322) | = | -1.9875776 | ||
| 4 | 27593 | 2432 | - | 2485 | = | -53 | * | (27 | / | 322) | = | -4.44409934 | ||
| 5 | 27596 | 2469 | - | 2528 | = | -59 | * | (27 | / | 322) | = | -4.94720493 | ||
| 6 | 27597 | 2508 | - | 2552 | = | -44 | * | (81 | / | 322) | = | -11.06832298 | ||
| 7 | 27599 | 2541 | - | 2567 | = | -26 | * | (89 | / | 322) | = | -7.18633539 | ||
| 8 | 27602 | 2522 | - | 2586 | = | -64 | * | (82 | / | 322) | = | -16.29813664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Westside Global Awareness Magnet | -46 | ||||||||||||
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 | 27639 | 2448 | - | 2436 | = | 12 | * | (20 | / | 311) | = | 0.77170417 | ||
| 4 | 27640 | 2495 | - | 2485 | = | 10 | * | (18 | / | 311) | = | 0.57877813 | ||
| 5 | 27642 | 2497 | - | 2528 | = | -31 | * | (26 | / | 311) | = | -2.59163987 | ||
| 6 | 27645 | 2505 | - | 2552 | = | -47 | * | (76 | / | 311) | = | -11.48553053 | ||
| 7 | 27646 | 2511 | - | 2567 | = | -56 | * | (86 | / | 311) | = | -15.48553054 | ||
| 8 | 27649 | 2565 | - | 2586 | = | -21 | * | (85 | / | 311) | = | -5.73954984 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Westside Global Awareness Magnet | -34 | ||||||||||||
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 | 27827 | 2400 | - | 2436 | = | -36 | * | (23 | / | 316) | = | -2.62025316 | ||
| 4 | 27828 | 2477 | - | 2485 | = | -8 | * | (27 | / | 316) | = | -0.6835443 | ||
| 5 | 27829 | 2503 | - | 2528 | = | -25 | * | (22 | / | 316) | = | -1.74050633 | ||
| 6 | 27830 | 2501 | - | 2552 | = | -51 | * | (85 | / | 316) | = | -13.71835439 | ||
| 7 | 27831 | 2505 | - | 2567 | = | -62 | * | (78 | / | 316) | = | -15.30379747 | ||
| 8 | 27832 | 2528 | - | 2586 | = | -58 | * | (81 | / | 316) | = | -14.86708855 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Westside Global Awareness Magnet | -49 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -58 | -43 | -46 | -34 | -49 | -230.0 | -46.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.0
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 | 66% | 80% | 81% | 82% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Los Angeles Unified school district | County of Los Angeles
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.
Westside Global Awareness Magnet math proficiency
Zero+ meets standard.
61% less $meal
68% less $meal
67% less $meal
73% less $meal
72% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.