Millennial Tech Middle (Data source)
Source data for Millennial Tech Middle
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 |
||
| 6 | 2227171 | 2445 | - | 2552 | = | -107 | * | (119 | / | 413) | = | -30.83050845 | ||
| 7 | 2227174 | 2428 | - | 2567 | = | -139 | * | (130 | / | 413) | = | -43.75302653 | ||
| 8 | 2227175 | 2447 | - | 2586 | = | -139 | * | (164 | / | 413) | = | -55.19612577 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Millennial Tech Middle | -130 | ||||||||||||
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 |
||
| 6 | 68311 | 2456 | - | 2552 | = | -96 | * | (133 | / | 408) | = | -31.29411763 | ||
| 7 | 68313 | 2428 | - | 2567 | = | -139 | * | (136 | / | 408) | = | -46.33333329 | ||
| 8 | 68315 | 2435 | - | 2586 | = | -151 | * | (139 | / | 408) | = | -51.44362737 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Millennial Tech Middle | -129 | ||||||||||||
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 |
||
| 6 | 70128 | 2432 | - | 2552 | = | -120 | * | (128 | / | 419) | = | -36.6587112 | ||
| 7 | 70130 | 2457 | - | 2567 | = | -110 | * | (156 | / | 419) | = | -40.95465385 | ||
| 8 | 70133 | 2446 | - | 2586 | = | -140 | * | (135 | / | 419) | = | -45.10739856 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Millennial Tech Middle | -123 | ||||||||||||
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 |
||
| 6 | 70283 | 2452 | - | 2552 | = | -100 | * | (136 | / | 426) | = | -31.9248826 | ||
| 7 | 70286 | 2432 | - | 2567 | = | -135 | * | (147 | / | 426) | = | -46.58450697 | ||
| 8 | 70287 | 2452 | - | 2586 | = | -134 | * | (143 | / | 426) | = | -44.98122063 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Millennial Tech Middle | -123 | ||||||||||||
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 |
||
| 6 | 70799 | 2447 | - | 2552 | = | -105 | * | (119 | / | 405) | = | -30.8518518 | ||
| 7 | 70800 | 2454 | - | 2567 | = | -113 | * | (157 | / | 405) | = | -43.80493816 | ||
| 8 | 70801 | 2433 | - | 2586 | = | -153 | * | (129 | / | 405) | = | -48.73333325 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Millennial Tech Middle | -123 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -130 | -129 | -123 | -123 | -123 | -628.0 | -125.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -116.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -134.6
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 | 86% | 85% | 91% | 86% | 86% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Diego Unified school district | County of San Diego
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.
Millennial Tech Middle math proficiency
Zero+ meets standard.
73% less $meal
76% less $meal
79% less $meal
77% less $meal
78% 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.