Tice Creek (Data source)
Source data for Tice Creek
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 | 7534 | 2488 | - | 2436 | = | 52 | * | (43 | / | 180) | = | 12.42222218 | ||
| 4 | 7535 | 2508 | - | 2485 | = | 23 | * | (32 | / | 180) | = | 4.08888887 | ||
| 5 | 7538 | 2566 | - | 2528 | = | 38 | * | (55 | / | 180) | = | 11.61111109 | ||
| 6 | 7539 | 2568 | - | 2552 | = | 16 | * | (50 | / | 180) | = | 4.44444443 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Tice Creek | 33 | ||||||||||||
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 | 7763 | 2499 | - | 2436 | = | 63 | * | (36 | / | 228) | = | 9.94736837 | ||
| 4 | 7765 | 2534 | - | 2485 | = | 49 | * | (55 | / | 228) | = | 11.82017543 | ||
| 5 | 7768 | 2534 | - | 2528 | = | 6 | * | (41 | / | 228) | = | 1.07894737 | ||
| 6 | 7770 | 2602 | - | 2552 | = | 50 | * | (55 | / | 228) | = | 12.0614035 | ||
| 7 | 7771 | 2602 | - | 2567 | = | 35 | * | (41 | / | 228) | = | 6.29385964 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Tice Creek | 41 | ||||||||||||
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 | 7781 | 2487 | - | 2436 | = | 51 | * | (45 | / | 287) | = | 7.99651568 | ||
| 4 | 7783 | 2533 | - | 2485 | = | 48 | * | (44 | / | 287) | = | 7.35888499 | ||
| 5 | 7785 | 2567 | - | 2528 | = | 39 | * | (56 | / | 287) | = | 7.60975609 | ||
| 6 | 7787 | 2583 | - | 2552 | = | 31 | * | (52 | / | 287) | = | 5.61672471 | ||
| 7 | 7789 | 2650 | - | 2567 | = | 83 | * | (54 | / | 287) | = | 15.61672473 | ||
| 8 | 7791 | 2622 | - | 2586 | = | 36 | * | (36 | / | 287) | = | 4.51567944 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Tice Creek | 49 | ||||||||||||
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 | 7834 | 2488 | - | 2436 | = | 52 | * | (44 | / | 283) | = | 8.08480561 | ||
| 4 | 7835 | 2545 | - | 2485 | = | 60 | * | (50 | / | 283) | = | 10.6007067 | ||
| 5 | 7836 | 2558 | - | 2528 | = | 30 | * | (38 | / | 283) | = | 4.02826854 | ||
| 6 | 7837 | 2588 | - | 2552 | = | 36 | * | (55 | / | 283) | = | 6.9964664 | ||
| 7 | 7838 | 2609 | - | 2567 | = | 42 | * | (44 | / | 283) | = | 6.5300353 | ||
| 8 | 7839 | 2691 | - | 2586 | = | 105 | * | (52 | / | 283) | = | 19.29328622 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Tice Creek | 56 | ||||||||||||
Last steps
Compute the average
| 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|
| 33 | 41 | 49 | 56 | 179.0 | 44.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 71.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 17.75
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:
| 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|
| Percent | 3% | 3% | 5% | 3% |
| Data source | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Walnut Creek Elementary school district | County of Contra Costa
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.
Tice Creek math proficiency
Zero+ meets standard.
3% less $meal
2% less $meal
5% less $meal
3% 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.
Elementary School (Public) schools in Walnut Creek Elementary (6)
| Buena Vista Elementary | Indian Valley Elementary | Murwood Elementary |
| Parkmead Elementary | Tice Creek | Walnut Heights Elementary |