Alameda County Community (Data source)
Source data for Alameda County Community
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 |
||
| 7 | 3620 | 0 | - | 2567 | = | * | (0 | / | 33) | = | ||||
| 8 | 3623 | 0 | - | 2586 | = | * | (6 | / | 33) | = | ||||
| 11 | 3624 | 2397 | - | 2628 | = | -231 | * | (27 | / | 33) | = | -188.99999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Alameda County Community | -189 | ||||||||||||
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 |
||
| 7 | 88 | 0 | - | 2567 | = | * | (0 | / | 40) | = | ||||
| 8 | 90 | 0 | - | 2586 | = | * | (4 | / | 40) | = | ||||
| 11 | 91 | 2434 | - | 2628 | = | -194 | * | (36 | / | 40) | = | -174.6 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Alameda County Community | -175 | ||||||||||||
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 |
||
| 7 | 91 | 0 | - | 2567 | = | * | (0 | / | 25) | = | ||||
| 8 | 94 | 0 | - | 2586 | = | * | (0 | / | 25) | = | ||||
| 11 | 95 | 2423 | - | 2628 | = | -205 | * | (20 | / | 25) | = | -164.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Alameda County Community | -164 | ||||||||||||
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 |
||
| 7 | 91 | 0 | - | 2567 | = | * | (0 | / | 30) | = | ||||
| 8 | 94 | 0 | - | 2586 | = | * | (0 | / | 30) | = | ||||
| 11 | 95 | 2411 | - | 2628 | = | -217 | * | (23 | / | 30) | = | -166.36666652 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Alameda County Community | -166 | ||||||||||||
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 |
||
| 7 | 99 | 0 | - | 2567 | = | * | (0 | / | 13) | = | ||||
| 8 | 100 | 0 | - | 2586 | = | * | (0 | / | 13) | = | ||||
| 11 | 101 | 0 | - | 2628 | = | * | (8 | / | 13) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Alameda County Community | |||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -189 | -175 | -164 | -166 | -694.0 | -138.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -140.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -206.5
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% | 87% | 81% | 85% | 86% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alameda County Office of Education 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.
Alameda County Community math proficiency
Zero+ meets standard.
69% less $meal
81% less $meal
76% less $meal
79% 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.
County Community schools in Alameda County Office of Education (1)
| Alameda County Community |