Pacific Coast Academy (Data source)
Source data for Pacific Coast Academy
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 | 67881 | 2383 | - | 2436 | = | -53 | * | (55 | / | 285) | = | -10.22807017 | ||
4 | 67883 | 2389 | - | 2485 | = | -96 | * | (54 | / | 285) | = | -18.18947366 | ||
5 | 67885 | 2467 | - | 2528 | = | -61 | * | (60 | / | 285) | = | -12.84210522 | ||
6 | 67887 | 2437 | - | 2552 | = | -115 | * | (36 | / | 285) | = | -14.52631574 | ||
7 | 67889 | 2448 | - | 2567 | = | -119 | * | (37 | / | 285) | = | -15.44912276 | ||
8 | 67891 | 2464 | - | 2586 | = | -122 | * | (35 | / | 285) | = | -14.98245607 | ||
11 | 67893 | 0 | - | 2628 | = | * | (0 | / | 285) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Pacific Coast Academy | -86 |
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 | 68381 | 2384 | - | 2436 | = | -52 | * | (332 | / | 1711) | = | -10.0900058 | ||
4 | 68382 | 2430 | - | 2485 | = | -55 | * | (269 | / | 1711) | = | -8.64699006 | ||
5 | 68383 | 2431 | - | 2528 | = | -97 | * | (272 | / | 1711) | = | -15.42022202 | ||
6 | 68384 | 2483 | - | 2552 | = | -69 | * | (286 | / | 1711) | = | -11.53360606 | ||
7 | 68385 | 2497 | - | 2567 | = | -70 | * | (250 | / | 1711) | = | -10.22793681 | ||
8 | 68386 | 2505 | - | 2586 | = | -81 | * | (212 | / | 1711) | = | -10.03623607 | ||
11 | 68387 | 2524 | - | 2628 | = | -104 | * | (90 | / | 1711) | = | -5.47048507 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Pacific Coast Academy | -71 |
Last steps
Compute the average
2018 | 2019 | Sum | Average |
---|---|---|---|
-86 | -71 | -157.0 | -78.5 |
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 | 48% | 40% |
Data source | 2018 data file | 2019 data file |
Dehesa Elementary school district County of San Diego
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.