Furgeson (Venn W.) Elementary (Data source)
Source data for Furgeson (Venn W.) 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 | 607939 | 2384 | - | 2436 | = | -52 | * | (59 | / | 201) | = | -15.26368158 | ||
| 4 | 607940 | 2425 | - | 2485 | = | -60 | * | (52 | / | 201) | = | -15.52238802 | ||
| 5 | 607943 | 2462 | - | 2528 | = | -66 | * | (42 | / | 201) | = | -13.79104472 | ||
| 6 | 607944 | 2526 | - | 2552 | = | -26 | * | (48 | / | 201) | = | -6.20895522 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Furgeson (Venn W.) Elementary | -51 | ||||||||||||
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 | 19486 | 2411 | - | 2436 | = | -25 | * | (64 | / | 211) | = | -7.58293838 | ||
| 4 | 19488 | 2432 | - | 2485 | = | -53 | * | (54 | / | 211) | = | -13.56398101 | ||
| 5 | 19489 | 2487 | - | 2528 | = | -41 | * | (52 | / | 211) | = | -10.10426538 | ||
| 6 | 19491 | 2474 | - | 2552 | = | -78 | * | (41 | / | 211) | = | -15.15639809 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Furgeson (Venn W.) Elementary | -46 | ||||||||||||
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 | 19779 | 2424 | - | 2436 | = | -12 | * | (54 | / | 219) | = | -2.9589041 | ||
| 4 | 19782 | 2449 | - | 2485 | = | -36 | * | (58 | / | 219) | = | -9.53424655 | ||
| 5 | 19783 | 2458 | - | 2528 | = | -70 | * | (57 | / | 219) | = | -18.21917804 | ||
| 6 | 19786 | 2499 | - | 2552 | = | -53 | * | (50 | / | 219) | = | -12.10045661 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Furgeson (Venn W.) Elementary | -43 | ||||||||||||
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 | 19779 | 2436 | - | 2436 | = | 0 | * | (55 | / | 216) | = | 0.0 | ||
| 4 | 19781 | 2447 | - | 2485 | = | -38 | * | (51 | / | 216) | = | -8.97222222 | ||
| 5 | 19783 | 2489 | - | 2528 | = | -39 | * | (58 | / | 216) | = | -10.4722222 | ||
| 6 | 19785 | 2485 | - | 2552 | = | -67 | * | (52 | / | 216) | = | -16.12962958 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Furgeson (Venn W.) Elementary | -36 | ||||||||||||
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 | 19963 | 2439 | - | 2436 | = | 3 | * | (51 | / | 210) | = | 0.72857143 | ||
| 4 | 19964 | 2451 | - | 2485 | = | -34 | * | (59 | / | 210) | = | -9.55238092 | ||
| 5 | 19965 | 2499 | - | 2528 | = | -29 | * | (43 | / | 210) | = | -5.93809522 | ||
| 6 | 19966 | 2487 | - | 2552 | = | -65 | * | (57 | / | 210) | = | -17.64285712 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Furgeson (Venn W.) Elementary | -32 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -51 | -46 | -43 | -36 | -32 | -208.0 | -41.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -20.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.6
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 | 97% | 97% | 97% | 98% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
ABC 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.
Furgeson (Venn W.) Elementary math proficiency
Zero+ meets standard.
89% less $meal
90% less $meal
90% less $meal
92% less $meal
87% 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.