Lou Henry Hoover Elementary (Data source)
Source data for Lou Henry Hoover Elementary
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 | 1149775 | 2374 | - | 2436 | = | -62 | * | (88 | / | 245) | = | -22.26938773 | ||
| 4 | 1149778 | 2414 | - | 2485 | = | -71 | * | (82 | / | 245) | = | -23.76326527 | ||
| 5 | 1149779 | 2440 | - | 2528 | = | -88 | * | (75 | / | 245) | = | -26.93877542 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lou Henry Hoover Elementary | -73 | ||||||||||||
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 | 35777 | 2401 | - | 2436 | = | -35 | * | (74 | / | 239) | = | -10.83682005 | ||
| 4 | 35780 | 2422 | - | 2485 | = | -63 | * | (90 | / | 239) | = | -23.72384933 | ||
| 5 | 35782 | 2432 | - | 2528 | = | -96 | * | (75 | / | 239) | = | -30.12552298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lou Henry Hoover Elementary | -65 | ||||||||||||
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 | 36494 | 2397 | - | 2436 | = | -39 | * | (90 | / | 259) | = | -13.55212353 | ||
| 4 | 36495 | 2440 | - | 2485 | = | -45 | * | (80 | / | 259) | = | -13.89961386 | ||
| 5 | 36498 | 2465 | - | 2528 | = | -63 | * | (89 | / | 259) | = | -21.64864861 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lou Henry Hoover Elementary | -49 | ||||||||||||
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 | 36480 | 2408 | - | 2436 | = | -28 | * | (62 | / | 233) | = | -7.45064376 | ||
| 4 | 36482 | 2436 | - | 2485 | = | -49 | * | (91 | / | 233) | = | -19.13733901 | ||
| 5 | 36484 | 2484 | - | 2528 | = | -44 | * | (80 | / | 233) | = | -15.10729612 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lou Henry Hoover Elementary | -42 | ||||||||||||
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 | 36642 | 2412 | - | 2436 | = | -24 | * | (83 | / | 223) | = | -8.93273542 | ||
| 4 | 36643 | 2461 | - | 2485 | = | -24 | * | (58 | / | 223) | = | -6.24215246 | ||
| 5 | 36644 | 2476 | - | 2528 | = | -52 | * | (82 | / | 223) | = | -19.12107621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lou Henry Hoover Elementary | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -65 | -49 | -42 | -34 | -263.0 | -52.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -100.6
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 | 74% | 79% | 77% | 73% | 73% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Whittier City Elementary 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.
Lou Henry Hoover Elementary math proficiency
Zero+ meets standard.
63% less $meal
67% less $meal
64% less $meal
65% less $meal
65% 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.