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 |
912689 |
2372 |
- |
2436 |
= |
-64 |
* |
(98 |
/ |
402)
|
= |
-15.60199002 |
4 |
912690 |
2411 |
- |
2485 |
= |
-74 |
* |
(110 |
/ |
402)
|
= |
-20.24875616 |
5 |
912693 |
2413 |
- |
2528 |
= |
-115 |
* |
(84 |
/ |
402)
|
= |
-24.02985065 |
6 |
912694 |
2464 |
- |
2552 |
= |
-88 |
* |
(110 |
/ |
402)
|
= |
-24.07960192 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for William R. Anton Elementary
|
-84 |
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 |
28849 |
2384 |
- |
2436 |
= |
-52 |
* |
(106 |
/ |
386)
|
= |
-14.2797927 |
4 |
28851 |
2445 |
- |
2485 |
= |
-40 |
* |
(91 |
/ |
386)
|
= |
-9.4300518 |
5 |
28852 |
2435 |
- |
2528 |
= |
-93 |
* |
(102 |
/ |
386)
|
= |
-24.57512947 |
6 |
28855 |
2447 |
- |
2552 |
= |
-105 |
* |
(87 |
/ |
386)
|
= |
-23.66580311 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for William R. Anton Elementary
|
-72 |
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 |
29414 |
2382 |
- |
2436 |
= |
-54 |
* |
(102 |
/ |
366)
|
= |
-15.0491803 |
4 |
29415 |
2420 |
- |
2485 |
= |
-65 |
* |
(95 |
/ |
366)
|
= |
-16.87158467 |
5 |
29417 |
2459 |
- |
2528 |
= |
-69 |
* |
(86 |
/ |
366)
|
= |
-16.21311471 |
6 |
29419 |
2477 |
- |
2552 |
= |
-75 |
* |
(83 |
/ |
366)
|
= |
-17.0081967 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for William R. Anton Elementary
|
-65 |
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 |
29462 |
2399 |
- |
2436 |
= |
-37 |
* |
(77 |
/ |
345)
|
= |
-8.25797099 |
4 |
29464 |
2427 |
- |
2485 |
= |
-58 |
* |
(96 |
/ |
345)
|
= |
-16.1391304 |
5 |
29466 |
2443 |
- |
2528 |
= |
-85 |
* |
(92 |
/ |
345)
|
= |
-22.66666661 |
6 |
29468 |
2503 |
- |
2552 |
= |
-49 |
* |
(80 |
/ |
345)
|
= |
-11.36231879 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for William R. Anton Elementary
|
-58 |
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 |
29639 |
2421 |
- |
2436 |
= |
-15 |
* |
(93 |
/ |
344)
|
= |
-4.05523256 |
4 |
29640 |
2414 |
- |
2485 |
= |
-71 |
* |
(73 |
/ |
344)
|
= |
-15.06686044 |
5 |
29641 |
2456 |
- |
2528 |
= |
-72 |
* |
(90 |
/ |
344)
|
= |
-18.83720923 |
6 |
29642 |
2484 |
- |
2552 |
= |
-68 |
* |
(88 |
/ |
344)
|
= |
-17.3953488 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for William R. Anton Elementary
|
-55 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-84
|
-72
|
-65
|
-58
|
-55
|
-334.0 |
-66.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.8
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: