Leroy L. Doig Intermediate (Data source)
Source data for Leroy L. Doig Intermediate
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 | 1475532 | 2511 | - | 2567 | = | -56 | * | (391 | / | 829) | = | -26.41254521 | ||
| 8 | 1475535 | 2536 | - | 2586 | = | -50 | * | (438 | / | 829) | = | -26.4173703 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Leroy L. Doig Intermediate | -53 | ||||||||||||
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 | 46336 | 2517 | - | 2567 | = | -50 | * | (404 | / | 782) | = | -25.831202 | ||
| 8 | 46338 | 2566 | - | 2586 | = | -20 | * | (378 | / | 782) | = | -9.66751918 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Leroy L. Doig Intermediate | -35 | ||||||||||||
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 | 47578 | 2518 | - | 2567 | = | -49 | * | (386 | / | 776) | = | -24.37371132 | ||
| 8 | 47581 | 2561 | - | 2586 | = | -25 | * | (390 | / | 776) | = | -12.56443298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Leroy L. Doig Intermediate | -37 | ||||||||||||
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 | 47588 | 2518 | - | 2567 | = | -49 | * | (407 | / | 789) | = | -25.27629911 | ||
| 8 | 47591 | 2553 | - | 2586 | = | -33 | * | (382 | / | 789) | = | -15.97718628 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Leroy L. Doig Intermediate | -41 | ||||||||||||
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 | 47770 | 2518 | - | 2567 | = | -49 | * | (381 | / | 778) | = | -23.99614393 | ||
| 8 | 47771 | 2544 | - | 2586 | = | -42 | * | (397 | / | 778) | = | -21.43187659 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Leroy L. Doig Intermediate | -45 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -53 | -35 | -37 | -41 | -45 | -211.0 | -42.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -63.2
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 | 93% | 86% | 84% | 86% | 85% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Garden Grove Unified school district | County of Orange
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.
Leroy L. Doig Intermediate math proficiency
Zero+ meets standard.
81% less $meal
75% less $meal
73% less $meal
77% 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.