Martin Luther King, Jr. (Data source)
Source data for Martin Luther King, Jr.
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 | 1862871 | 2393 | - | 2436 | = | -43 | * | (62 | / | 350) | = | -7.61714285 | ||
4 | 1862872 | 2403 | - | 2485 | = | -82 | * | (62 | / | 350) | = | -14.52571427 | ||
5 | 1862875 | 2427 | - | 2528 | = | -101 | * | (64 | / | 350) | = | -18.46857134 | ||
6 | 1862876 | 2468 | - | 2552 | = | -84 | * | (65 | / | 350) | = | -15.59999994 | ||
7 | 1862879 | 2500 | - | 2567 | = | -67 | * | (52 | / | 350) | = | -9.95428568 | ||
8 | 1862880 | 2544 | - | 2586 | = | -42 | * | (45 | / | 350) | = | -5.39999998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Martin Luther King, Jr. | -72 |
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 | 57531 | 2352 | - | 2436 | = | -84 | * | (54 | / | 336) | = | -13.49999994 | ||
4 | 57532 | 2440 | - | 2485 | = | -45 | * | (76 | / | 336) | = | -10.17857142 | ||
5 | 57534 | 2419 | - | 2528 | = | -109 | * | (52 | / | 336) | = | -16.86904754 | ||
6 | 57536 | 2460 | - | 2552 | = | -92 | * | (68 | / | 336) | = | -18.61904758 | ||
7 | 57539 | 2512 | - | 2567 | = | -55 | * | (38 | / | 336) | = | -6.22023809 | ||
8 | 57540 | 2529 | - | 2586 | = | -57 | * | (48 | / | 336) | = | -8.14285709 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Martin Luther King, Jr. | -74 |
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 | 59207 | 2367 | - | 2436 | = | -69 | * | (56 | / | 315) | = | -12.26666661 | ||
4 | 59209 | 2397 | - | 2485 | = | -88 | * | (43 | / | 315) | = | -12.01269837 | ||
5 | 59211 | 2453 | - | 2528 | = | -75 | * | (73 | / | 315) | = | -17.38095233 | ||
6 | 59214 | 2449 | - | 2552 | = | -103 | * | (61 | / | 315) | = | -19.94603168 | ||
7 | 59215 | 2497 | - | 2567 | = | -70 | * | (45 | / | 315) | = | -9.99999994 | ||
8 | 59217 | 2554 | - | 2586 | = | -32 | * | (37 | / | 315) | = | -3.75873014 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Martin Luther King, Jr. | -75 |
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 | 59322 | 2390 | - | 2436 | = | -46 | * | (35 | / | 297) | = | -5.42087538 | ||
4 | 59325 | 2412 | - | 2485 | = | -73 | * | (66 | / | 297) | = | -16.22222221 | ||
5 | 59326 | 2425 | - | 2528 | = | -103 | * | (42 | / | 297) | = | -14.56565652 | ||
6 | 59329 | 2479 | - | 2552 | = | -73 | * | (69 | / | 297) | = | -16.95959594 | ||
7 | 59331 | 2508 | - | 2567 | = | -59 | * | (37 | / | 297) | = | -7.35016832 | ||
8 | 59333 | 2531 | - | 2586 | = | -55 | * | (48 | / | 297) | = | -8.88888886 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Martin Luther King, Jr. | -69 |
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 | 59580 | 2399 | - | 2436 | = | -37 | * | (46 | / | 271) | = | -6.28044279 | ||
4 | 59581 | 2439 | - | 2485 | = | -46 | * | (36 | / | 271) | = | -6.11070109 | ||
5 | 59582 | 2442 | - | 2528 | = | -86 | * | (61 | / | 271) | = | -19.3579335 | ||
6 | 59583 | 2446 | - | 2552 | = | -106 | * | (50 | / | 271) | = | -19.55719557 | ||
7 | 59584 | 2551 | - | 2567 | = | -16 | * | (46 | / | 271) | = | -2.71586715 | ||
8 | 59585 | 2522 | - | 2586 | = | -64 | * | (32 | / | 271) | = | -7.55719552 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Martin Luther King, Jr. | -62 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-72 | -74 | -75 | -69 | -62 | -352.0 | -70.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.4
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 | 64% | 77% | 75% | 80% | 80% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sacramento City Unified school district County of Sacramento
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.
Martin Luther King, Jr. math proficiency
Zero+ meets standard.
51% less $meal
63% less $meal
59% less $meal
66% less $meal
61% 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.