Andros Karperos (Data source)
Source data for Andros Karperos
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 | 2992642 | 2396 | - | 2436 | = | -40 | * | (96 | / | 991) | = | -3.87487384 | ||
4 | 2992643 | 2430 | - | 2485 | = | -55 | * | (120 | / | 991) | = | -6.65993944 | ||
5 | 2992646 | 2450 | - | 2528 | = | -78 | * | (123 | / | 991) | = | -9.68113013 | ||
6 | 2992647 | 2491 | - | 2552 | = | -61 | * | (227 | / | 991) | = | -13.97275473 | ||
7 | 2992650 | 2496 | - | 2567 | = | -71 | * | (196 | / | 991) | = | -14.04238142 | ||
8 | 2992651 | 2522 | - | 2586 | = | -64 | * | (229 | / | 991) | = | -14.78910189 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Andros Karperos | -63 |
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 | 91624 | 2391 | - | 2436 | = | -45 | * | (82 | / | 909) | = | -4.0594059 | ||
4 | 91626 | 2436 | - | 2485 | = | -49 | * | (109 | / | 909) | = | -5.87568756 | ||
5 | 91628 | 2452 | - | 2528 | = | -76 | * | (115 | / | 909) | = | -9.61496148 | ||
6 | 91629 | 2478 | - | 2552 | = | -74 | * | (188 | / | 909) | = | -15.30473047 | ||
7 | 91631 | 2507 | - | 2567 | = | -60 | * | (226 | / | 909) | = | -14.91749172 | ||
8 | 91633 | 2541 | - | 2586 | = | -45 | * | (189 | / | 909) | = | -9.35643564 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Andros Karperos | -59 |
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 | 94397 | 2411 | - | 2436 | = | -25 | * | (115 | / | 926) | = | -3.1047516 | ||
4 | 94399 | 2421 | - | 2485 | = | -64 | * | (83 | / | 926) | = | -5.73650106 | ||
5 | 94402 | 2451 | - | 2528 | = | -77 | * | (110 | / | 926) | = | -9.14686819 | ||
6 | 94403 | 2486 | - | 2552 | = | -66 | * | (203 | / | 926) | = | -14.46868249 | ||
7 | 94406 | 2498 | - | 2567 | = | -69 | * | (192 | / | 926) | = | -14.30669543 | ||
8 | 94408 | 2525 | - | 2586 | = | -61 | * | (223 | / | 926) | = | -14.69006477 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Andros Karperos | -61 |
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 | 94607 | 2402 | - | 2436 | = | -34 | * | (83 | / | 820) | = | -3.44146341 | ||
4 | 94610 | 2428 | - | 2485 | = | -57 | * | (130 | / | 820) | = | -9.03658535 | ||
5 | 94611 | 2457 | - | 2528 | = | -71 | * | (86 | / | 820) | = | -7.44634141 | ||
6 | 94614 | 2486 | - | 2552 | = | -66 | * | (143 | / | 820) | = | -11.50975604 | ||
7 | 94615 | 2518 | - | 2567 | = | -49 | * | (203 | / | 820) | = | -12.13048778 | ||
8 | 94618 | 2523 | - | 2586 | = | -63 | * | (175 | / | 820) | = | -13.44512194 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Andros Karperos | -57 |
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 | 95251 | 2408 | - | 2436 | = | -28 | * | (100 | / | 877) | = | -3.19270238 | ||
4 | 95252 | 2427 | - | 2485 | = | -58 | * | (85 | / | 877) | = | -5.62143668 | ||
5 | 95253 | 2457 | - | 2528 | = | -71 | * | (122 | / | 877) | = | -9.87685288 | ||
6 | 95254 | 2486 | - | 2552 | = | -66 | * | (180 | / | 877) | = | -13.5461801 | ||
7 | 95255 | 2499 | - | 2567 | = | -68 | * | (186 | / | 877) | = | -14.42189281 | ||
8 | 95256 | 2534 | - | 2586 | = | -52 | * | (204 | / | 877) | = | -12.09578105 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Andros Karperos | -59 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-63 | -59 | -61 | -57 | -59 | -299.0 | -59.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.8
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 | 80% | 78% | 77% | 81% | 86% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Yuba City Unified school district County of Sutter
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.
Andros Karperos math proficiency
Zero+ meets standard.
66% less $meal
65% less $meal
64% less $meal
73% less $meal
74% 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.